Download REVIEW MIDTERM 1st SEMESTER 2010 What are the 6 metric

REVIEW MIDTERM 1st SEMESTER 2010
1. What are the 6 metric prefixes?
2. What units do we use to measure volume ?
3. How many kiloliters are in 500 liters?
4. 6.2 km = ? M
5. The mass of an object is 25g and the volume is 5ml. What is the density?
6. Compare and Contrast accuracy and precision.
7. What is a controlled experiment?
8. An object has a density of 1.8 g/ml. Will the object sink or float?
9. What tools do you need to calculate density?
10. Give an example scenario where accuracy is of the utmost importance.
11. Compare mass and inertia
12. Define ductility.
13. What does it mean if a substance is malleable?
14. The temperature of an acid solution is 250C. A strip of magnesium is added and the
temperature rises 20C each minute for the first 3 minutes. After another 5 minutes the
Compare the 3 states of matter in regard to placement of particles.
15. How is a plasma classified as a state of matter?
16. Compare Boyle’s Law to Charles’ Law.
17. What happens to a helium balloon when it is taken outside on a cold winter day? Explain why.
18. temperature has risen 2 more degrees. What is the final temperature?
19. What is concentration?
20. How can we change the solubility rate?
21. Give an example of a colloid and a suspension.
22. What is the universal solvent?
23. Who’s theory about the atom was called “plum pudding?”
REVIEW MIDTERM 1st SEMESTER 2010
24. What is Rutherford credited for?
25. What unit do we use to measure atomic mass?
26. What charges do the subatomic particles hold?
27. Where can the subatomic particles be found inside the atom?
28. What does the term “periodic” mean?
29. Who was the first scientist to organize the Periodic Table of Elements?
30. Using your textbook: define “periodic law.”
31. Using your textbook: What are the only 2 elements that are liquids at room temperature?
32. What are the 6 metalloids?
33. Where are the Lanthanides and Actinides located on the Periodic Table?
34. Name 2 elements from these 2 series.
35. What group is called the Halogens?
36. Why are the Noble Gases “noble?”
37. What is the purpose of a valence electron?
38. Why would an ion carry a positive charge?
39. Why are ionic compounds neutral?
40. Give an example of a molecule.
41. Why can you bend a metal spoon, but not a wooden spoon?
42. What is the result of a chemical reaction?
43. Explain the Law of Conservation of Mass in relation to a chemical equation.
44. Give an example of each of the following:
1. Synthesis
2. Decomposition
3. Single-Displacement Reaction
REVIEW MIDTERM 1st SEMESTER 2010
4. Double-Displacement Reaction
45. What is an endothermic reaction? An exothermic reaction?
46. What is the Law of Conservation of Energy and how does it apply to chemical reactions?
47. What is the formula for speed?
48. Calculate the speed: 50meters and 10seconds
49. What is velocity?
50. Define acceleration.
51. What are the 2 types of acceleration?
52. What do we call continuous acceleration in a circle?
53. Define force. What unit do we use to measure force?
54. What are the 2 kinds of friction?
55. State one way that friction can be helpful and one way that friction can be harmful.
56. What is gravity? What unit do we use to measure gravity?
57. What do you have to overcome to lift an object?
58. What are the 2 parts of the Universal Law of Gravitation?
59. Differentiate between weight and mass.
60. Where is the only place an object can be in a true free fall?
61. What 2 movements/motions are involved in projectile motion?
62. What does Newton’s First Law State? Give an example.
63. What is inertia?
64. How are mass and inertia related?
65. What does Newton’s Third Law state?
66. Give an example of Newton’s 3rd Law.
67. Define Momentum.
REVIEW MIDTERM 1st SEMESTER 2010
68. How does the Law of Conservation of Momentum work?
69. Define Work.
70. What formula do we use to calculate work?
71. What is the unit we use for work?
72. What is Power?
73. How do we calculate Power?
74. Give an example of a wheel and axle.
75. Give an example of an incline plane.
76. Give an example of a wedge.
77. Give an example of a screw.
78. What is a compound machine?
79. Define energy.
80. What are the 2 kinds of energy?
81. What is GPE? How do you calculate GPE?
82. What is energy conversion?
83. Describe how the conversion of electrical energy works?
84. What can change energy into different forms?
85. Define friction.
86. Summarize the Law of Conservation of Energy.
87. What type of energy does an object have to have to convert?
88. Is perpetual motion possible?
89. Define mass.
90. What is the formula for Density?
91. What are the units for Density?
REVIEW MIDTERM 1st SEMESTER 2010
92. Define temperature.
93. Compare a dependent and an independent variable.
94. Differentiate between a theory to a law.
95. Compare quantitative and qualitative data.
96. 6783.49 cl = ? dkl
97. Differentiate between weight and mass.
98. What unit do we use to measure weight and force?
99. What tools are used for measuring mass (and weight)?
100.
How does a chemical change differ from a chemical property?
101.
What are the signs of a chemical change?
102.
Generally speaking, is a chemical change reversible? Why or Why not?
103.
Which of the following is a chemical property? Malleability, Ductility, Conductivity, or
Density
104.
Compare elements, mixtures, and compounds.
105.
What are the three classifications of elements?
106.
Give an example of an element, a mixture, and a compound.
107.
Compare a solute to a solvent.
108.
Define an atom.
109.
Compare an atom, element, molecule, and a compound.
110.
What makes John Dalton special?
111.
What Greek Philosopher came up with the idea for an atom?
112.
What does the atomic number tell you?
113.
How do you find the number of neutrons in an atom?
114.
How many electrons will the 4 electron cloud hold?
115.
What is an ion?
REVIEW MIDTERM 1st SEMESTER 2010
116.
What forces are at work inside an atom?
117.
What are the vertical columns called on the periodic table?
118.
What are the horizontal rows called on the periodic table?
119.
As you move across periods from left to right, what happens to elements?
120.
What is Group 1 called? What are the common characteristics of this group?
121.
What is Group 2 called? What are the common characteristics of this group?
122.
What happens to chemical bonds during a chemical reaction?
123.
What are the “magic numbers” in bonding?
124.
Do the Noble Gases bond?
125.
What kind of elements make up an ionic, covalent, and metallic bond?
126.
Why would an ion carry a negative charge?
127.
What is a precipitate?
128.
What are 3 signs of a chemical reaction?
129.
How many atoms are in the following equations?
1. H2O
2. C6H12O6
3. 2Al2(SO4)3
130.
Label the parts of the following equation.
1. C
131.
+
O2
CO2
Balance the following equation.
___H
+
___ O2
____
H2O
132.
What kind of energy is required to start a chemical reaction?
133.
What are 5 ways we can manipulate a Chemical Reaction?
134.
What is an indicator?
REVIEW MIDTERM 1st SEMESTER 2010
135.
Describe an acid.
136.
Describe a base.
137.
How does the pH scale work?
138.
Describe net force.
139.
What happens when forces are traveling in the same direction? In the opposite
direction?
140.
Describe a balanced force. What can balanced forces NOT do?
141.
Describe an unbalanced force. What can unbalanced do?
142.
How is friction involved in unbalanced forces?
143.
What 2 factors affect friction?
144.
100 grams = ? In Newtons
145.
How do we represent gravity numerically?
146.
What is the formula for calculating the change in velocity?
147.
Calculate the change in velocity: A penny falls from a stairwell and travels 7 seconds.
What is it’s velocity as it hits the ground?
148.
How does air resistance affect gravity?
149.
What is terminal velocity?
150.
What is Newton’s Second Law of Motion?
151.
Give an example of Newton’s 2nd Law.
152.
What are the 2 factors involved in Newton’s Second Law?
153.
What is the formula for acceleration?
154.
What is the formula for calculating force?
155.
What is the acceleration of a 7kg mass if a force of 68.6N is used to move it toward
Earth?
156.
What force is necessary to accelerate a 1,250kg car at a rate of 40m/s 2?
REVIEW MIDTERM 1st SEMESTER 2010
157.
What is Power?
158.
How do we calculate Power?
159.
Define a machine.
160.
Is it possible for any machine to have 100% efficiency? Why or Why not?
161.
What are the 3 classes of levers? Give an example of each.
What are the 3 kinds of pulleys? What is the advantage of the Block and Tackle pulley?
162.
What is mechanical energy?
163.
What is thermal energy?
164.
Why is chemical energy important?
165.
How does electrical energy work?
166.
How does sound energy travel? Can sound travel in space?
167.
What is special about light energy?
168.
What are the 2 kinds of nuclear energy?
169.
Define temperature.
170.
What is the boiling point of each scale (C, K, and F)
171.
What is the freezing point of each scale (C,K, and F)
172.
What is thermal expansion and why is it significant?
173.
What is absolute zero? Is absolute zero possible to replicate?
174.
What is heat?
175.
What is Thermal Conduction? Give an example.
176.
Define (thermal) insulators and (thermal) conductors.
177.
What is convection? Give an example.
178.
What is radiation? Give an example.
179.
Define specific heat.