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Transcript
SNC1D
SNC1D Exam Review
Chemistry
1. Define the following:
a) matter
b) atom
c) element
d) compound
e) molecule
f) heterogeneous
g) homogeneous
h) pure substance
i) mixture
j) solution
k) qualitative
l) quantitative
m) physical change
n) chemical change
o) corrosion
p) combustion
q) electrolysis
r) isotope
2. For each of the following, state 2 physical properties and 1 chemical property:
a) magnesium
b) gasoline
c) baking soda
d) wood
e) iron
3. Define each of the following as a physical or chemical change:
a) mixing baking soda and vinegar
b) burning wood
c) mixing salt and water
d) freezing water
e) putting hydrogen peroxide on a cut
4. For sodium, aluminum and fluorine:
a) write the standard atomic notation
b) draw a Bohr-Rutherford diagram
c) draw a Bohr-Rutherford diagram for its ion and name the ion
5. Solve each of the following problems:
a) A 15 cm3 block of metal has a mass of 35g. What is its density?
b) A rock has a density of 55 g/cm3 and a mass of 2.5 kg. What is its volume?
c) A crystal has a volume of 1.3 g/cm 3 and a volume of 15 cm3. What is its mass?
6. You do an experiment in which a gas is produced. Outline in detail how you would test to verify what
type of gas it is (oxygen, hydrogen or carbon dioxide).
7. In general terms, state the reactants and products of any corrosion reaction.
8. What is the most common form of corrosion and what it the chemical equation for the reaction?
9. Name each of the following compounds:
a) NaCl
b) Li2O
c) MgF2
d) CO2
e) NH3
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SNC1D
10. Write the chemical formulas for each of the following compounds:
a) potassium bromide
b) sodium nitrate
c) hydrochloric acid
d) aluminum oxide
e) magnesium sulfide
11. For each of the compounds in #9 and #10, state how many of each type of atom there are.
12. What compound if formed in each of the following cases:
a) mixing calcium and oxygen
b) mixing hydrogen and oxygen
c) mixing magnesium and phosphorous
d) mixing sodium and sulfur
13. Draw structural diagrams for each of the compounds in #12.
Reproduction
1. Define the following:
a) cell wall
b) cell membrane
c) nucleus
d) nucleolus
e) cytoplasm
f) mitochondrion
g) endoplasmic reticulum
h) chloroplast
i) ribosome
j) lysosome
k) gene
l) chromosome
m) DNA
n) internal fertilization
o) external fertilization
2. What are the stages of mitosis and why is each one important?
3. What are the differences between sexual and asexual reproduction? How are the offspring different?
4. What is FAS and how does it affect the developing baby?
5. What is DNA made up of and why is it important?
6. What are the stages of meiosis and why is each one important?
7. Define regeneration and give a real life example.
8. How do genetic disorders occur?
9. What are reproductive technologies and what are some pros and cons of using them?
10. For humans, how many chromosomes are found in:
a) a skin cell
b) a sperm cell
c) an egg cell
d) a muscle cell
11. What is cloning and how is it performed?
12. What are the functions of:
a) amniotic fluid
b) placenta
c) umbilical cord
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SNC1D
Electricity
1. Define the following:
a) static electricity
b) current electricity
c) insulator
d) conductor
e) grounding
f) voltage
g) current
h) resistance
i) energy
j) power
k) potential difference
l) electrolytic cell
2. Describe the law of electric charges and how it can be used to determine the charge on an object.
3. The electrostatic series is a great resource.
a) What is it?
b) What can it be used for?
c) How easily will a charge transfer when 2 objects are close in the series
d) How easily will a charge transfer when 2 objects are far apart in the series
e) Pick 2 objects in the series and describe what charge each will have if they are rubbed together.
Will the charges be strong or weak?
4. State 3 methods of charging an object and give an example of each.
5. What is lightening?
6. Solve the following:
a) A toaster operates on a 120V circuit and draws 7A of current. What is its resistance?
b) A motor with a resistance of 500 m is hooked up to a 1.5V D-cell battery. What is the current
flowing through the circuit?
c) A light bulb with a resistance of 4.5  draws 15 A of current. What is the voltage of the power
supply?
7. Draw circuit diagrams for the following circuits. Be sure to include a voltmeter across one of the loads
and an ammeter to measure the current from the power source.
a) A 3 cell power source connected to a light bulb through a switch.
b) A single cell power source connected to both a light and a motor wired in parallel. The light has
switch control.
c) A 5 cell power source connected to 3 resistors in series.
d) A 5 cell power source connected to 3 resistors in parallel.
8. For each of the circuits in #5 c) & d), assume that the power source supplies 6VDC and the resistors
have resistances of 2 , 4 , and 6. Calculate:
a) The current flowing through each resistor.
b) The current flowing from the battery.
c) The potential difference across each resistor.
9. Solve the following:
a) What is the energy used by a vacuum cleaner that draws 5A at 120VAC and is on for 20 min?
b) For how long must that same vacuum be on in order to use 1000 kJ of energy?
c) For how long must the vacuum be on in order to use 0.5 kWh of energy?
d) If a coffee maker uses 36 kJ of energy in 5 minutes, what is its current draw?
e) If the cost of electricity is $0.09/kWh, how much will it cost to operate the vacuum as in a)
f) If the cost of electricity is $0.09/kWh, how much will it cost to operate the vacuum as in c)
10. Solve the following:
a) What is the power of the vacuum in #7 a)?
b) What is the power of a jigsaw that uses 800kJ of energy in 15 minutes?
c) What is the power of a device that uses 0.3kWh of energy in 10 minutes?
d) If you operate a mitre saw with a power rating of 0.8 kW for half an hour, how much energy is
used?
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11. Solve the following:
a) What is the percent efficiency of a lightbulb that uses 100kJ of electrical energy to produce 200J of
light energy?
b) What is the percent efficiency of 60W lightbulb if it produces 150J of light energy in 2 minutes?
12. Choose 1 renewable source of electrical energy and 1 non-renewable sources of electrical energy and
compare the pros and cons of each.
13. State the function of fuses and circuit breakers and the risks that arise from not using them properly.
Space
1. Define the following:
a) universe
b) galaxy
c) solar system
d) planet
e) star
f) constellation
g) comet
h) asteroid
i) nebula
j) fusion
k) white dwarf
l) black hole
m) orbit
n) rotation
o) revolution
p) payload
q) launcher
r) gravity
s) weight
t) mass
u) free fall
v) light year
w) astronomical unit
2. List at least 5 key characteristics of planets.
3. List at least 5 key characteristics of stars.
4. Explain why we have 4 different seasons.
5. Why do orbiting spacecraft stay in orbit?
6. The term weightless can be controversial.
a) What does this term mean?
b) Is there truly such a thing as being weightless?
c) Give an example of where a person may seem weightless.
7. For at least 1 planet in our solar system:
a) List the key characteristics of at least that make it impossible for us to live there.
b) What adaptations would we have to make in order to be able to live on the planet?
8. Outline the lifecycle of an average star.
9. Where did the universe come from? What evidence is there to support the current theory?
10. Name the planets in their order from the sun out.
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