Name: 
 

3.2 Review



Modified True/False
Indicate whether the statement is true or false.  If false, change the identified word or phrase to make the statement true.
 

 1. 

The temperature scale on which the freezing point of water is 32 degrees and boiling point of water is 212 degrees is the Fahrenheit scale. _________________________

 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 2. 

Force is measured in:
a.
kilograms.
b.
newtons.
c.
mimas.
d.
pounds.
 

 3. 

Potential energy is energy due to the:
a.
motion of an object.
b.
height of an object.
c.
temperature of an object.
d.
speed of an object.
 

 4. 

The lowest possible temperature is:
a.
-273ºC
b.
called absolute zero.
c.
the temperature at which atoms are “frozen”.
d.
All of the above.
 

 5. 

Energy is NOT measured in:
a.
newtons.
b.
joules.
c.
calories.
d.
Calories.
 

 6. 

According to the chart below, the material requiring the most energy to raise its temperature from 20°C to 40°C is:

Material
Specific heat (J/kg°C)
water
4,184
aluminum
900
steel
470
silver
235
oil
1,900
concrete
880
glass
800
gold
129
wood
2,500
a.
water.
b.
gold.
c.
oil.
d.
wood.
 

 7. 

The flow of thermal energy is called:
a.
temperature.
b.
specific heat.
c.
heat.
d.
thermal equilibrium.
 

 8. 

What is the freezing point of water on the Celsius scale?
a.
0
b.
32
c.
100
d.
212
 

 9. 

Which of the following temperatures are approximately equivalent?
a.
32ºC and 0ºF
b.
38ºC and 100ºF
c.
132ºC and 0ºF
d.
212ºC and 100ºF
 

 10. 

In nature, heat will always flow from a:
a.
cold object to the warm object.
b.
small object to the large object.
c.
warm object to the cold object.
d.
large object to the small object.
 

 11. 

What is a normal body temperature, 98.6ºF, on the Celsius scale?
a.
37ºC
b.
72ºC
c.
98.6ºC
d.
209ºC
 

 12. 

The thermometer outside your window reads a very comfortable 78ºF. What would that be on the Celsius scale?
a.
25.5ºC
b.
61ºC
c.
108ºC
d.
172ºC
 

 13. 

When energy in a system is transformed, what happens to the total amount of energy in the system?
a.
It increases.
b.
It decreases.
c.
It stays the same.
d.
It goes to zero.
 

 14. 

What happens to the energy stored in oil when you use it to heat your house?
a.
It is used up.
b.
It is destroyed.
c.
It is converted to heat energy.
d.
It stays exactly the same.
 

 15. 

Which of the following is a TRUE statement?
a.
Electric power plants make energy.
b.
Once all the oil and gas on Earth is used up, all Earth’s energy will be gone.
c.
Power plants convert other sources of energy into usable electrical energy.
d.
Every time you turn on a light, you destroy a little more of Earth’s total energy.
 

 16. 

Which of the following statements is true regarding temperature?
a.
There is an upper limit and a lower limit to temperature.
b.
There is an upper limit but no lower limit to temperature.
c.
There is no upper limit and no lower limit to temperature.
d.
There is no upper limit, but there is a lower limit to temperature.
 

 17. 

The smallest change of temperature is represented by:
a.
one Celsius degree.
b.
one Fahrenheit degree.
c.
one Celsius and one Fahrenheit degree are the same thing.
d.
You can’t measure changes in temperature using Celsius and Fahrenheit.
 

 18. 

If it takes 4,184 joules of heat to raise the temperature of 1 kilogram of water by 1ºC, how much heat will it take to raise the temperature of 2 kilograms of water by 1ºC?
a.
2,092 joules
b.
4,184 joules
c.
8,368 joules
d.
16,736 joules
 

 19. 

If it takes 4,184 joules of heat to raise the temperature of 1 kilogram of water by 1ºC, how much heat will it take to raise the temperature of 1 kilogram of water by 2ºC?
a.
2,092 joules
b.
4,184 joules
c.
8,368 joules
d.
16,736 joules
 

Completion
Complete each statement.
 
 
Select the correct term to complete each sentence. There are extra terms in the list.

masstemperaturesolids
liquidsgasesforce
meterskilogramsspecific heat
kinetic energypotential energysystems
heatelementcompound
FahrenheitCelsiusabsolute zero
 

 20. 

The temperature at which molecules have their lowest possible energy is known as _________________________.
 

 

 21. 

The property of a substance that describes the amount of energy required to raise the temperature of one kilogram of the substance one Celsius degree is the _________________________.
 

 

 22. 

The energy of motion is called _________________________.
 

 

 23. 

Scientists break up the complex universe into smaller groups of related things that work together called ____________________.
 

 

 24. 

A thermometer is used to measure _________________________.
 

 

 25. 

Thermal energy flowing between substances of different temperatures is called ____________________.
 

 

 26. 

The Celsius and Fahrenheit scales are two commonly used temperature scales. Of these two scales, the one whose degree represents the greatest change in temperature is the ____________________ scale.
 

 

Short Answer
 

 27. 

a.When a light is turned on inside a room, what type of energy is required for the light to turn on?
b.What type of energy is given off by the light bulb once it is on?
 

 28. 

How are forces and energy related?
 

 29. 

a. Which has more thermal energy, a cup of ice (0ºC) or a cup of water (20ºC)?
b. Which has more thermal energy, a cup of water (20ºC) or a cup of steam (100ºC)?
c. Which has more thermal energy, 1 cup of water or 2 cups of water?
 

 30. 

Equal masses of water and sand were heated to 50ºC and allowed to cool. The sand cooled more quickly than the water. Which would require more energy to raise its temperature to 70ºC, the water or the sand? Explain.
 

Problem
 

 31. 

If the morning newscaster says the temperature will be 75ºF this afternoon, what will the temperature be in degrees Celsius?
 

 32. 

The sun’s surface temperature is estimated to be 5,500ºC. What is this in degrees Fahrenheit?
 

 33. 

Room temperature is given as 20°C. What is this temperature given in Fahrenheit?
 

 34. 

One big chocolate cookie contains about 130 Calories of energy. One Calorie contains 4,184 joules. What is the amount of energy in joules in one big cookie?
 



 
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