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Transcript
GPS semester review
True/False
Indicate whether the sentence or statement is true or false.
____
1. All important scientific discoveries are made by professional scientists.
____
2. Scientific models have two basic types.
____
3. Variables are those factors that can be changed in an experiment.
____
4. When observing and recording the results of an experiment, observations may include both measurements and
descriptions.
____
5. Using scientific methods means doing a professional experiment.
____
6. Laboratory safety is not an important concern for scientists.
____
7. If the results of a study do not support a hypothesis, it means that the experiment failed.
____
8. Scientific models are often used to help scientists understand a problem.
____
9. Computer models can be touched.
____ 10. Einstein's idea model for his theory of relativity was also built as a physical model.
____ 11. Once a scientific model has been created, it cannot be changed.
____ 12. Although people of different races, sexes, and cultures have made scientific discoveries, they have all been
adults, older than you.
____ 13. The only way to test a hypothesis is by conducting a controlled experiment.
____ 14. An important part of planning an experiment is determining the materials needed.
____ 15. Data tables help you to organize your observations and test results.
____ 16. Data are always numerical measurements.
____ 17. A hypothesis is a decision based on the results of the experiment.
____ 18. If it takes more than a few experiments to find the answer to a particular problem, it means that the scientist
has failed and is not a very good researcher.
____ 19. It is often necessary to look at the same problem in different ways in order to find an answer.
____ 20. Models may change as new discoveries are made.
____ 21. Atoms of different elements have different numbers of protons.
____ 22. Most of an atom is empty space.
____ 23. The energy of an electron varies depending upon which energy level that electron occupies.
____ 24. In an atom, an electron that is close to the nucleus is on the highest energy level.
____ 25. To become more stable, an atom that has two electrons in its outer energy level will gain two electrons.
____ 26. A polar molecule is one that exists only at low temperatures.
____ 27. It is easier to remove an electron from the outer energy level than from one closer to the nucleus.
____ 28. Elements are placed in the same column of the periodic table because their outer electrons are in the same
energy level.
____ 29. The N2 molecule is nonpolar.
____ 30. Nonpolar molecules have a slight negative charge on one end and a slight positive charge on the other.
____ 31. According to the law of conservation of mass, three atoms of calcium can react to produce six atoms of
calcium.
____ 32. Chemical equations are balanced by changing the subscripts of the molecules.
____ 33. Energy is needed to break bonds in chemical reactions.
____ 34. A chemical reaction in which more energy is absorbed than is released is endothermic.
____ 35. All chemical reactions occur at the same rate.
____ 36. Activation energy is the minimum amount of energy needed for a chemical reaction to begin.
____ 37. Exothermic reactions do not require any activation energy.
____ 38. When a chemical equation contains the same number of atoms on both sides, the equation is balanced.
____ 39. Catalysts are always enzymes.
____ 40. Lowering the temperature slows down most chemical reactions.
____ 41. The rate of a reaction is the speed at which products form or reactants disappear.
____ 42. The solubility of a substance describes how fast a solute will dissolve.
____ 43. A solution is a homogeneous mixture.
____ 44. Solutes can be separated from the their solvents by physical means.
____ 45. Dissolution is the forming of a precipitate.
____ 46. All liquid solutions contain water.
____ 47. All aqueous solutions contain water.
____ 48. For the same concentration, strong acids have lower pH values than weak acids.
____ 49. Indicators can be used to find out how acidic or basic a solution is.
____ 50. A solution is neutral if it has more hydronium ions than hydroxide ions.
____ 51. An antacid has a pH greater than seven.
____ 52. Water is often called the universal solvent.
____ 53. A solution in which a gas is the solvent is an aqueous solution.
____ 54. Vinegar and oranges both contain acids.
____ 55. Hydrochloric acid can be used to clean mortar from brick walls.
____ 56. Acids give soaps their useful properties.
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____ 57. The process of learning more about the natural world is ____.
a. an experiment
c. a hypothesis
b. a control
d. science
____ 58. Experiments and investigations must be ____.
a. approved
c. repeatable
b. unreproduceable
d. accepted
____ 59. A prediction about a problem that can be tested is a(n) ____.
a. hypothesis
c. dependent variable
b. independent variable
d. control
____ 60. It is important to ____ when drawing conclusions from scientific information.
a. keep notes
c. talk to others
b. make up your mind
d. keep an open mind
____ 61. The factor being measured in an experiment is the ____.
a. hypothesis
c. variable
b. scientific law
d. control
____ 62. A variable in an experiment that stays the same is a(n) ____.
a. independent variable
c. constant
b. dependent variable
d. control
____ 63. Science cannot answer questions about ____.
a. distance
c. politics
b. temperature
d. the natural world
____ 64. Models can do all of the following EXCEPT ____.
a. make a hypothesis
c. test predictions
b. communicate
d. save time, money, and lives
____ 65. Limitations of models include ____.
a. ability to communicate
c. the tendency to change
b. the ability to test predictions
d. the ability to save time
____ 66. Models can be used to describe which of the following environments?
a. the floor of the ocean
c. space
b. volcanoes
d. all of the above
____ 67. Scientific ____ must be supported by observations and results from many investigations and are not absolute.
a. constants
c. systems
b. theories
d. laws
____ 68. The three branches of science are ____, Earth, and physical.
a. space
c. life
b. physics
d. chemistry
____ 69. Another term for technology is ____.
a. applied science
c. comparison
b. controlled experiment
d. sequence
____ 70. When designing an experiment, the first step is to ____.
a. draw conclusions
c. recognize a problem
b. form a hypothesis
d. test a hypothesis
____ 71. When conducting an experiment, the last step is to ____.
a. analyze the data
c. form a hypothesis
b. draw conclusions
d. recognize a problem
____ 72. A camera is an example of ____.
a. an experiment
c. technology
b. a robot
d. a scientific method
____ 73. To evaluate the observations you make, you must use ____.
a. a hypothesis
c. measurements
b. critical thinking
d. models
____ 74. Scientists must be impartial and not base their conclusions on ____.
a. opinions
c. models
b. evidence
d. experiments
____ 75. To ____ means to draw a conclusion based on something you observe.
a. guess
c. model
b. control
d. infer
____ 76. ____ materials are designed to get you to buy a product or service.
a. Model
c. Observed
b. Scientific
d. Advertising
____ 77. When you measure something in meters cubed, you are measuring ____.
a. length
c. volume
b. area
d. mass
____ 78. If you were to round off the measurement 2.33501 grams to three digits, you would get ____.
a. 2.33 g
c. 2.35 g
b. 2.34 g
d. 2.36 g
____ 79. A bowler who always left the same three pins standing could be considered a(n) ____ bowler.
a. accurate and precise
c. precise
b. accurate
d. good
____ 80. A millisecond is to a second as one is to ____.
a. 1,000
c. 10
b. 100
d. 100,000
____ 81. A cubic centimeter can be expressed as ____.
a. ccm
c. ct
b. cm3 or cc
d. ccm3
____ 82. The value of the boiling point of water on the Kelvin scale is ____ the value of the boiling point of water on
the Celsius scale.
a. equal to
c. higher than
b. lower than
d. 10 times
____ 83. To make a scale drawing of a basketball court, which of the following scales would be most useful?
a. 1 cm = 1 m
c. 1 m = 1 km
b. 1 km = 1 m
d. 1 m = 1 cm
____ 84. When evaluating a paper delivery, a homeowner would be most concerned about ____.
a. the accuracy of the throws
c. the speed of the throws
b. the precision of the throws
d. the timing of the throws
____ 85. In which of the following situations would it NOT be wise to estimate?
a. the number of miles per gallon an automobile can provide
b. the time it would take to walk to the grocery store from home
c. the amount of food to prepare for twelve people
d. the amount of medicine to give a patient
____ 86. SI units are useful because they are all related by multiples of ____.
a. two
c. 10
b. five
d. 50
____ 87. The advantage data in a table has over data presented in a paragraph is the ____.
a. number of digits that can be included
b. accuracy of the data
____ 88.
____ 89.
____ 90.
____ 91.
____ 92.
____ 93.
____ 94.
____ 95.
____ 96.
____ 97.
____ 98.
____ 99.
____ 100.
c. way the data is organized
d. amount of detail that can be included
In which of the following situations would the reply 1 minute, 45 seconds, and ten one-hundredths of a
second be a reasonable answer?
a. describing the time left before the end of class
b. estimating the length of a cut on a CD
c. describing the time it takes to bike from your house to school
d. describing the time of a bobsled run at the Olympic trials
Which of the following visual displays would be best for describing the percentages of different gases in the
atmosphere?
a. circle graph
c. bar graph
b. line graph
d. any of the above
Matter that has the same composition and properties throughout is called a(n) ____.
a. substance
c. atom
b. mixture
d. isotope
When two pure substances are combined so that each of the pure substances retains its own properties, the
result is a(n) ____.
a. compound
c. element
b. mixture
d. isotope
All ____ except mercury are solids at room temperature.
a. metalloids
c. metals
b. nonmetals
d. mixtures
How many atoms of calcium are in a unit of calcium phosphate whose formula is Ca3(PO4)2?
a. one
c. three
b. two
d. four
In general, nonmetals are ____.
a. good conductors of electricity
c. good conductors of heat
b. malleable and ductile
d. gases at room temperature
In general, metals are ____.
a. poor conductors of heat
c. poor conductors of electricity
b. brittle
d. good conductors of heat
When Rutherford performed his metal foil experiment, he was surprised that most of the alpha particles ____.
a. were deflected by the foil
c. were absorbed by the foil
b. bounced back from the foil
d. passed straight through the foil
Water and hydrogen peroxide have different properties because ____.
a. they are made from different elements
b. one contains a greater percentage of oxygen than the other
c. one is a compound and one is a mixture
d. only water follows the law of definite proportions
Which of these statements about matter is NOT true?
a. During chemical changes, matter is destroyed.
b. Matter has mass and takes up space.
c. Matter can be divided into pure substances and mixtures.
d. Matter is made up of atoms.
The millions of compounds that exist are made from approximately ____ elements.
a. 50
c. 115
b. 75
d. 150
Most of the mass of an atom is found in its ____.
____ 101.
____ 102.
____ 103.
____ 104.
____ 105.
____ 106.
____ 107.
____ 108.
____ 109.
____ 110.
____ 111.
____ 112.
____ 113.
____ 114.
a. nucleus
c. atomic number
b. electron cloud
d. mass number
Vegetable soup is an example of a ____.
a. homogeneous mixture
c. compound
b. heterogeneous mixture
d. pure substance
When someone stirs cocoa powder into hot water or hot milk, the cocoa changes from a ____.
a. homogeneous mixture into a compound
b. homogeneous mixture into a non-uniform mixture
c. compound into a heterogeneous mixture
d. heterogeneous mixture into a homogeneous mixture
A certain atom has 26 protons, 26 electrons, and 30 neutrons. It mass number is ____.
a. 26
c. 52
b. 30
d. 56
Which of the following CANNOT be classified as matter?
a. an odorless, colorless gas
c. alpha particles
b. the heat given off by a light bulb
d. an electron cloud
____ has mass and takes up space.
a. Thought
c. Air
b. Light
d. Emotion
The surface tension in a cup of water is caused by ____.
a. attractive forces between the water and its container
b. attractive forces between water molecules
c. adhesive forces between water molecules
d. adhesive forces between the water and its container
The measure of the average kinetic energy of the particles of a substance is the ____.
a. temperature
c. thermal energy
b. heat
d. kinetic energy
The ____ is a unit of force.
a. pascal
c. newton
b. atmosphere
d. kilopascal
Archemedes' Principle helps to explain the relationship between ____.
a. kinetic energy and density
c. pressure and density
b. temperature and density
d. buoyancy and density
As a sample of matter is cooled, which property of its particles increases?
a. average kinetic energy
c. buoyancy
b. pressure
d. cohesive forces
The freezing point of a substance is ____ the melting point of the same substance.
a. greater than
c. equal to
b. less than
d. unrelated to
Kinetic energy is the ____ of motion.
a. temperature
c. heat
b. energy
d. state
Pascal's Principle can be applied to ____.
a. all states of matter
c. solids and liquids only
b. solids and gases only
d. any matter that can flow
Which of these objects is least like a crystalline solid?
a. a pillowcase full of Halloween candy
c. a checkerboard
b. a spider web
d. a chain-link fence
____ 115. Which of the following factors does NOT affect the behavior of a gas in a closed container?
a. the number of particles
c. the cohesive forces within the gas
b. the average kinetic energy
d. the size of the container
____ 116. An amorphous solid ____.
a. flows freely at any temperature
c. has a repeating unit structure
b. has no true melting point
d. becomes less viscous as it cools
____ 117. Viscosity is a measure of a fluid's ____.
a. resistance to flow
c. average kinetic energy
b. adhesive forces
d. buoyancy
____ 118. For most substances, the distance between particles is smallest when the substance ____.
a. exists as a gas
c. exists as a crystalline solid
b. exists as a liquid
d. exists as an amorphous solid
____ 119. A cork is able to float on water because it is ____.
a. a crystalline solid
c. small in size
b. equal in density to water
d. less dense than the water
____ 120. The following are examples of physical properties EXCEPT ____.
a. density
c. color
b. shape
d. ability to react with oxygen
____ 121. All of the following are a state of matter EXCEPT ____.
a. solid
c. liquid
b. gas
d. density
____ 122. Density is an example of a ____.
a. chemical property
c. physical property
b. chemical change
d. physical change
____ 123. Density is equal to ____.
a. volume times mass
c. volume divided by mass
b. mass times volume
d. mass divided by volume
____ 124. An acidic sample has a pH ____.
a. between 0 and 7
c. of exactly 7
b. between 7 and 14
d. of exactly 0
____ 125. A basic sample has a pH range ____.
a. between 0 and 7
c. of exactly 7
b. between 7 and 14
d. of exactly 0
____ 126. A neutral sample has a pH ____.
a. between 0 and 7
c. of exactly 7
b. between 7 and 14
d. of exactly 0
____ 127. A characteristic of matter that allows it to change to something new is a ____.
a. physical property
c. chemical property
b. physical change
d. chemical change
____ 128. The following are examples of chemical properties except ____.
a. the ability to burn
c. the ability to react with oxygen
b. the ability to be crushed
d. toxicity
____ 129. One of the chemical properties of bases is that they ____.
a. taste sour
c. crumble
b. feel slippery
d. corrode metal
____ 130. Acids and bases can be all of the following except ____.
a. living
c. harmful
b. useful
d. edible
____ 131. All of the following are examples of physical changes except ____.
a. melting
c. burning
b. evaporating
d. solidifying
____ 132. All of the following are examples of chemical weathering except ____.
a. acid rain
c. rocks breaking because of ice
b. cave formations
d. pollution
____ 133. Which of the following is an example of a physical change?
a. evaporation in a swamp cooler
c. digestion of a hamburger
b. electricity produced by a dry cell
d. rusting of a car body
____ 134. Which of the following is an example of a chemical change?
a. painting a house
c. bending steel
b. freezing water
d. baking soda in water
____ 135. Which of the following is an example of a chemical change?
a. bending a pop can
c. melting wax
b. evaporation of milk
d. burning paper
____ 136. The particles that make up an atom are ____.
a. electrons, protons, and nuclei
c. protons, neutrons, and nuclei
b. elements, protons, and electrons
d. protons, neutrons, and electrons
____ 137. In an atom, electrons ____.
a. are located in the nucleus
c. travel outside the nucleus
b. are paired with neutrons
d. are always in the same place in an atom
____ 138. Dot diagrams are used to represent ____.
a. protons
c. atomic mass
b. outer electrons
d. the structure of the nucleus
____ 139. The energy levels of an atom are occupied by ____.
a. electrons
c. neutrons
b. protons
d. ions
____ 140. The maximum number of electrons in the second energy level of an atom is ____.
a. two
c. eight
b. four
d. ten
____ 141. In the compound, H2O, the electrons in the bonds are unequally shared between oxygen and hydrogen,
forming ____.
a. cations
c. nonpolar molecules
b. ionic bonds
d. polar bonds
____ 142. Alkali metals tend to lose one electron per atom in forming bonds. What family of elements will form ionic
bonds with alkali metals, in a 2-to-1 ratio, alkali metal to other element?
a. alkaline earth elements
c. halogens
b. oxygen family
d. noble gases
____ 143. Some elements are unlikely to lose or gain electrons, but share electrons to form covalent bonds. Which of the
following elements is most likely to form covalent bonds?
a. silicon (#14)
c. chlorine (#17)
b. oxygen (#8)
d. sulfur (#16)
____ 144. What is the neutral particle that is formed when atoms share electrons?
a. caution
c. molecule
b. ionic compound
d. nucleus
____ 145. In carbon dioxide, each oxygen atom shares four electrons with the carbon atom. What is this type of bond
called?
a. triple covalent
c. polar covalent
____ 146.
____ 147.
____ 148.
____ 149.
____ 150.
____ 151.
____ 152.
____ 153.
____ 154.
____ 155.
____ 156.
____ 157.
____ 158.
____ 159.
b. double covalent
d. ionic
Which of the following bonds is polar?
a. F—F
c. O—O
b. O—H
d. H—H
What is the group number for elements that have a stable number of electrons in their outer energy level?
a. 18
c. 2
b. 17
d. 1
Which of the following compounds is not likely to have ionic bonds?
a. LiF
c. CH4
b. NaCl
d. MgF2
Aspartame is an artificial sweetener; its formula is C13H16N2O5. Which element in the formula has the largest
number of atoms?
a. carbon
c. nitrogen
b. hydrogen
d. oxygen
Which of the following notations represents a molecule?
a. NaCl
c. H2O
b. He
d. Li
How many dots are shown in the electron dot diagram for calcium, element number 20?
a. one
c. eight
b. two
d. twenty
Sulfur, element 16, forms a negative ion. How many dots would you have to show in the electron dot diagram
for the sulfur ion?
a. two
c. eight
b. six
d. sixteen
What is the name given to the units that make up covalently bonded compounds?
a. molecules
c. electrons
b. ions
d. energy levels
Which of the following elements will likely form a negative ion in its ionic compounds?
a. Li, lithium
c. Mg, magnesium
b. Al, aluminum
d. Cl, chlorine
Which of the following statements about the atom is false?
a. Each atom has a tiny nucleus at its center.
b. All the protons and neutrons are located in the nucleus.
c. Electrons travel in definite circular pathways around the nucleus.
d. All atomic nuclei are positively charged.
Which of the following changes is chemical rather than physical?
a. Water is boiled.
c. Glass is shattered.
b. Aluminum foil is crumpled.
d. Wood is burned.
Each substance written to the right of the arrow in a chemical equation is a ____.
a. reactant
c. precipitate
b. product
d. catalyst
According to the law of conservation of mass, how does the mass of the products in a chemical reaction
compare to the mass of the reactants?
a. There is no relationship.
b. The mass of products is sometimes greater.
c. The mass of reactants is greater.
d. The masses are always equal.
Which of the following changes gives NO evidence that a chemical reaction has taken place?
____ 160.
____ 161.
____ 162.
____ 163.
____ 164.
____ 165.
____ 166.
____ 167.
____ 168.
____ 169.
____ 170.
____ 171.
____ 172.
a. A cube of solid forms a puddle of liquid.
b. A certain liquid is added to a solid, and bubbles of gas form.
c. Two liquids are mixed, and a precipitate forms.
d. Heating a blue solid turns the solid white.
When the following chemical reaction is balanced, what number is placed before NH3?
N2 + 3H2  NH3
a. 1
c. 3
b. 2
d. 6
Which chemical equation is balanced?
a. Na + O2  Na2O
c. 2Na + 2O2  2Na2O
b. 2Na2 + O2  2Na2O
d. 4Na + O2  2Na2O
Which of the following conditions would likely cause the activation energy to be high?
a. atoms are close together
c. atoms are not close together
b. the temperature is hot
d. a catalyst is present
Which one of the following factors would not speed up a chemical reaction?
a. increasing the concentration of a reactant
b. adding a catalyst
c. raising the temperature
d. making the reactant particles larger
Which of the following materials will burn the fastest in open air?
a. a log, two feet in diameter
b. two logs, each one foot in diameter
c. a pile of small splinters made from a two-foot diameter log
d. Both logs and the splinters will burn at the same rate.
A substance that speeds up chemical reactions in the human body is ____.
a. an inhibitor
c. polar
b. an enzyme
d. a prohibitor
The substance being dissolved to form a solution is the ____.
a. solvent
c. precipitate
b. solute
d. mixture
The atmosphere of Earth is an example of a ____ solution.
a. liquid-liquid
c. gas-gas
b. gas-liquid
d. solid-liquid
A solution that contains all the solute it can hold under the given conditions is ____.
a. saturated
c. dilute
b. unsaturated
d. supersaturated
Which of the following will cause a greater amount of oxygen to dissolve in 100 g of water?
a. Heat the water.
b. Decrease the oxygen gas pressure.
c. Increase the oxygen gas pressure.
d. all of the above
A solution that contains a large amount of solute compared to solvent is described as ____.
a. dilute
c. unsaturated
b. heterogeneous
d. concentrated
Which of the following properties is NOT characteristic of acidic solutions?
a. has a sour taste
c. feels slippery
b. conducts electricity
d. is corrosive to certain metals
Which of the following mixtures is NOT an example of a substance?
____ 173.
____ 174.
____ 175.
____ 176.
____ 177.
____ 178.
____ 179.
a. drinking water
c. brass
b. air
d. pizza
When aqueous solutions of table salt and silver nitrate are mixed, a white solid forms. This solid is ____.
a. soluble
c. an alloy
b. a precipitate
d. a solute
Stainless steel is an example of a ____ solution.
a. liquid-solid
c. solid-solid
b. solid-liquid
d. gas-solid
Which of the following types of substance would be least likely to dissolve in water?
a. a nonpolar molecule like cholesterol
b. a polar molecule like ethyl alcohol
c. an ionic compound, such as magnesium chloride
d. a polar molecule like the fruit sugar, fructose
The solubility of sodium chloride (table salt) in water at 10°C is 32 g in 100 g of water. If 14 g of sodium
chloride are dissolved in 50 g of water at 10°C, the solution is ____.
a. saturated
c. concentrated
b. dilute
d. acidic
The amount of table sugar that will dissolve in 1 kg of water can be increased by ____.
a. stirring the solution
b. heating the solution
c. breaking the sugar into smaller pieces
d. doing any of the above
A solution with a pH of 13 is a ____.
a. weak acid
c. strong acid
b. weak base
d. strong base
How does a solution with a pH of 2 compare to a solution with a pH of 1?
a. The pH 2 solution is two times more acidic than that with a pH of 1.
b. The pH 1 solution is ten times more acidic than that with a pH of 2.
c. The pH 1 solution is two times more basic than that with a pH of 2.
d. The pH 2 solution is ten times more acidic than that with a pH of 1.
Matching
Match the units of measurement with the factors that can be measured.
a. meter
c. kilogram
b. liter
d. kelvin
____
____
____
____
180.
181.
182.
183.
mass of an orange
volume of orange juice
freezing point of carbon dioxide
length of a soccer field
Match the drawings in Figure 3-1 to the descriptions below.
Figure 3-1
____
____
____
____
184.
185.
186.
187.
element
mixture of two elements
compound
mixture of a compound and element
Match each symbol or formula with the correct element or compound.
a. O2
c. CO
b. CO2
d. C
____ 188. carbon
____ 189. oxygen
____ 190. carbon dioxide
Match each item with the correct statement below.
a. buoyant force
d. temperature
b. viscosity
e. atmospheric pressure
c. fluid
____ 191. measures the average kinetic energy of particles
____ 192. 101.3 kilopascals
____ 193. upward force of a liquid
Match the term with the event or the definition.
a. physical property
c. chemical property
b. physical change
d. chemical change
____
____
____
____
194.
195.
196.
197.
plant making food out of water and carbon dioxide
wind and water erosion
leaves changing colors in the fall
the wall was blue
Match the substance with the state of matter.
a. gas
b. liquid
c. solid
____
____
____
____
____
198.
199.
200.
201.
202.
gasoline
air
ice cubes
sand
nitrogen
Match each term with the correct description below.
a. electron
g. polar molecule
b. nucleus
h. compound
c. positive ion
i. symbol
d. negative ion
j. formula
e. ionic bond
k. molecule
f. covalent bond
l. subscript
____ 203. positively charged center of atom
____
____
____
____
____
____
____
____
____
204.
205.
206.
207.
208.
209.
210.
211.
212.
a charged atom that has gained one or more electrons
positive ion and negative ion joined together
represents an element
neutral particle formed when atoms share electrons
substance that contains two or more elements
particle in which electrons are shared unequally
a charged atom that has lost one or more electrons
negative particle in an atom
atoms joined together by sharing electrons
Match each item with the best description below.
a. physical change
h.
b. conservation of mass
i.
c. chemical change
j.
d. exothermic
k.
e. product
l.
f. catalyst
m.
g. activation energy
____
____
____
____
____
____
____
____
____
____
____
____
213.
214.
215.
216.
217.
218.
219.
220.
221.
222.
223.
224.
reaction that absorbs energy
frying an egg
number of atoms in a chemical formula
present before chemical reaction
reactant mass equals product mass
reaction that releases energy
a measure of how fast a reaction occurs
present after chemical reaction
minimum energy to start reaction
speeds up a chemical reaction
used to slow the spoilage of food
speeds up reactions in living cells
Match each item with the best description below.
a. acid
i.
b. base
j.
c. solution
k.
d. solubility
l.
e. solute
m.
f. solvent
n.
g. dilute
o.
h. concentrated
____
____
____
____
____
____
____
225.
226.
227.
228.
229.
230.
231.
subscript
endothermic
inhibitor
reactant
rate of reaction
enzyme
H3O+
neutralization
indicator
heterogeneous mixture
insoluble
precipitate
OH-
reaction between an acid and a base
amount of substance that can dissolve in 100 g of water
produces hydronium ions in water
formula for the hydronium ion
another name for a homogenous mixture
formula for the hydroxide ion
not uniform in composition
____
____
____
____
____
____
____
232.
233.
234.
235.
236.
237.
238.
oil in water
larger or largest part of a solution
large amount of solute per given amount of solvent
turns different colors in acids and bases
produces hydroxide ions in water
substance that dissolves to form a solution
small amount of solute in a given amount of solvent
Match each type of substance with the correct description below.
a. acid
c. both
b. base
d. neither
____
____
____
____
____
____
____
____
____
____
____
239.
240.
241.
242.
243.
244.
245.
246.
247.
248.
249.
solution with a pH above 7
neutral solution
tastes bitter
solution with a pH of 3
corrosive
solution feels slippery
changes the color of indicators
reacts with metals, producing hydrogen gas
tastes sour
produce hydronium ions when dissolved in water
produce hydroxide ions when dissolved in water
GPS semester review
Answer Section
TRUE/FALSE
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
F
F
T
T
F
F
F
T
F
F
F
F
F
T
T
F
F
F
T
T
T
T
T
F
F
F
T
F
T
F
F
F
T
T
F
T
F
T
F
T
T
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
A
A
B
A
A
A
B
B
B
B
B
B
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
1/1
8/3
5/2
5/2
5/2
5/2
6/2
8/3
8/3
8/3
8/3
1/1
5/2
5/2
5/2
5/2
6/2
5/2
5/2
9/3
1/1
1/1
2/1
2/1
4/2
5/2
2/1
2/1
5/2
5/2
2/1
2/1
3/1
3/1
5/2
5/2
5/2
2/1
5/2
5/2
5/2
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
F
T
T
F
F
T
T
F
F
F
T
F
T
T
F
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
6/2
1/1
3/1
3/1
3/1
3/1
11/3
11/3
1/1
11/3
5/2
5/2
10/3
10/3
10/3
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
1/1
10/4
6/2
10/4
5/2
5/2
1/1
9/3
9/3
8/3
2/1
4/1
4/1
5/2
5/2
4/1
10/4
10/4
7/2
11/4
5/2
2/1
3/1
5/2
5/2
5/2
5/2
3/1
MULTIPLE CHOICE
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
71.
72.
73.
74.
75.
76.
77.
78.
79.
80.
81.
82.
83.
84.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
D
C
A
D
C
C
C
A
C
D
B
C
A
C
B
C
B
A
D
D
C
B
C
A
B
C
A
A
85.
86.
87.
88.
89.
90.
91.
92.
93.
94.
95.
96.
97.
98.
99.
100.
101.
102.
103.
104.
105.
106.
107.
108.
109.
110.
111.
112.
113.
114.
115.
116.
117.
118.
119.
120.
121.
122.
123.
124.
125.
126.
127.
128.
129.
130.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
D
C
C
D
A
A
B
C
C
D
D
D
B
A
C
A
B
D
D
B
C
B
A
C
D
D
C
B
D
A
C
B
A
C
D
D
D
C
D
A
B
C
C
B
B
A
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
A
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
1/1
4/2
6/3
2/1
8/3
9/3
10/3
8/2
9/3
8/2
8/2
4/1
9/3
1/1
5/2
3/1
10/3
10/3
6/2
2/1
1/1
2/1
3/2
7/3
7/3
4/2
3/2
3/2
7/3
2/1
7/3
2/1
2/1
2/1
6/3
1/1
1/1
2/1
2/1
3/1
3/1
3/1
4/2
4/2
5/2
5/2
131.
132.
133.
134.
135.
136.
137.
138.
139.
140.
141.
142.
143.
144.
145.
146.
147.
148.
149.
150.
151.
152.
153.
154.
155.
156.
157.
158.
159.
160.
161.
162.
163.
164.
165.
166.
167.
168.
169.
170.
171.
172.
173.
174.
175.
176.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
C
C
A
D
D
D
C
B
A
C
D
B
A
C
B
B
A
C
B
C
B
C
A
D
C
D
B
D
A
B
A
C
D
C
D
B
C
A
C
D
C
D
B
C
A
C
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
A
B
B
B
B
B
B
B
B
A
A
B
A
A
B
A
B
A
B
A
B
A
A
B
B
B
A
B
B
B
B
A
B
B
B
B
A
B
B
B
B
A
A
A
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
7/3
8/3
7/3
7/3
7/3
1/1
1/1
3/1
3/1
3/1
5/2
4/2
4/2
4/2
4/2
5/2
1/1
4/2
6/2
4/2
3/1
3/1
4/2
3/1
1/1
1/1
2/1
2/1
1/1
2/1
2/1
5/2
5/2
5/2
5/2
3/1
4/1
7/2
6/2
8/2
10/3
1/1
3/1
4/1
6/2
8/2
177. ANS: B
178. ANS: D
179. ANS: B
DIF: B
DIF: B
DIF: A
OBJ: 7/2
OBJ: 11/3
OBJ: 11/3
MATCHING
180.
181.
182.
183.
ANS:
ANS:
ANS:
ANS:
C
B
D
A
DIF:
DIF:
DIF:
DIF:
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
5/2
5/2
5/2
5/2
184.
185.
186.
187.
ANS:
ANS:
ANS:
ANS:
D
B
A
C
DIF:
DIF:
DIF:
DIF:
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
5/2
5/2
9/3
5/2
188. ANS: D
189. ANS: A
190. ANS: B
DIF: B
DIF: B
DIF: B
OBJ: 5/2
OBJ: 5/2
OBJ: 9/3
191. ANS: D
192. ANS: E
193. ANS: A
DIF: B
DIF: B
DIF: B
OBJ: 3/2
OBJ: 7/3
OBJ: 6/3
194.
195.
196.
197.
ANS:
ANS:
ANS:
ANS:
D
B
D
A
DIF:
DIF:
DIF:
DIF:
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
7/3
8/3
8/3
1/1
198.
199.
200.
201.
202.
ANS:
ANS:
ANS:
ANS:
ANS:
B
A
C
C
A
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
1/1
1/1
1/1
1/1
1/1
203.
204.
205.
206.
207.
208.
209.
210.
211.
212.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
B
D
E
I
K
H
G
C
A
F
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
1/1
4/2
4/2
6/2
4/2
4/2
5/2
4/2
1/1
4/2
213. ANS: I
DIF: B
OBJ: 3/1
214.
215.
216.
217.
218.
219.
220.
221.
222.
223.
224.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
C
H
K
B
D
L
E
G
F
J
M
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
1/1
2/1
2/1
2/1
3/1
5/2
2/1
5/2
5/2
5/2
5/2
225.
226.
227.
228.
229.
230.
231.
232.
233.
234.
235.
236.
237.
238.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
J
D
A
I
C
O
L
M
F
H
K
B
E
G
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
B
A
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
12/3
7/2
10/3
10/3
1/1
10/3
2/1
6/2
3/1
8/2
11/3
10/3
3/1
8/2
239.
240.
241.
242.
243.
244.
245.
246.
247.
248.
249.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
B
D
B
A
C
B
C
A
A
A
B
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
DIF:
B
B
B
B
B
B
B
B
B
B
B
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
OBJ:
11/3
11/3
10/3
11/3
10/3
10/3
11/3
10/3
10/3
10/3
10/3