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WorksheetsAmplify End of Unit Assessment Thermal Energy
Total questions: 60
Worksheet time: 59mins
Name
Class
Date
1.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves
2.
Convection is heat transfer by-
a)
Touch an object
b)
The heating and cooling of a fluid
c)
Electromagnetic Waves
3.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
4.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
5.
When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through
a)
conduction
b)
convection
c)
radiation
d)
thermal equilibrium
6.
The sun warming your skin is an example of heat transfer through
a)
conduction
b)
convection
c)
radiation
d)
thermal electricity
7.
Heat transfer through electromagnetic waves is called
a)
conduction
b)
convection
c)
radiaton
d)
thermal
8.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
9.
Thermal energy from the sun travels to the earth by ______.
a)
conduction
b)
convection
c)
radiation
10.
Hot coffee is stirred with a spoon; the spoon gets hot due to
a)
conduction
b)
convection
c)
radiation
11.
What type of heat transfer takes place in solids?
a)
Conduction
b)
Convection
c)
Radiation
12.
What type of heat transfer takes place in liquids and gasses?
a)
Conduction
b)
Convection
c)
Radiation
13.
As you touch a hot stove the heat transfers -
a)
from your hand to the stove
b)
from the stove to your hand
c)
it doesn't transfer
14.
Which is more dense?
a)
hot liquid
b)
cold liquid
15.
Heat transfer always goes from-
a)
cold to hot
b)
hot to cold
c)
heat doesn't transfer
d)
none of the above
16.
What happens to particles as they heat up?
a)
they slow down and move closer together
b)
they speed up and move farther apart
c)
they don't move
d)
none of the above
17.
What happens to particles as they cool down?
a)
they slow down and move closer together
b)
they speed up and move farther apart
c)
they don't move
d)
none of the above
18.
Mittens help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
19.
Conductors are materials that...
a)
allow heat to pass through
b)
stop heat from passing through
c)
allow cold to pass through
d)
stop cold from passing through
20.
An object that doesn't conduct heat well is known as:
a)
a conductor
b)
an insulator
21.
The Law of Conservation of Energy states:
a)
energy can created or destroyed but not transformed
b)
energy cannot be created or destroyed, it can only transformed
c)
energy can't be created, destroyed or transformed
22.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
insulation
23.
Which of the following is an example of heat transfer through radiation?
a)
a pot of soup warming of a hot burner
b)
a crayon melting on a hot sidewalk
c)
beach sand getting warmed by the sun
24.
Conduction, Convection and Radiation are three types of...
a)
Electrical energy
b)
Thermal Energy
c)
Chemical Energy
d)
Sound Energy
25.
Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?
a)
Thermal energy is transferred from the spoon to the water.
b)
Thermal energy is transferred from the water to the spoon.
c)
Thermal energy in the water is transformed into kinetic energy in the spoon.
d)
Thermal energy in the spoon is transformed into kinetic energy in the water.
26.
Hot objects begin to cool as-
a)
cooler air is transferred to the hot object
b)
thermal energy in the object is transferred to the surrounding air
c)
atoms in the object have a chemical reaction with the oxygen in the air
d)
thermal energy in the object cancels out energy in the air
27.
When you leave your cold drink outside, the glass may have water drops on it. This is an example of...
a)
condensation
b)
vaporization
c)
melting
d)
freezing
28.
What observation can you make about what happened to the snowman?
a)
It changed from a liquid to a solid.
b)
It changed from a liquid to a gas.
c)
It changed from a gas to a solid.
d)
It changed from a solid to a liquid.
29.
A student was doing a science investigation in school. Her teacher asked her to fill two beakers with water. What would be the temperature of the water when it started to boil?
a)
100 degrees celsius
b)
50 degrees celsius
c)
32 degrees celsius
d)
20 degrees celsius
30.
Which change is happening to the water?
a)
it is changing from a liquid to a gas
b)
it is changing from a liquid to a solid
c)
it is changing from a solid to a gas
d)
it is changing from a gas to a liquid
31.
The chart below shows objects that conduct heat and objects that insulate heat. Which answer choice best completes the chart?
a)
glass block
b)
gold ring
c)
plastic spoon
d)
none of the above
32.
Three jars are filled with the same amount of water and placed in the freezer over night. The next day, a different type of material is wrapped around each jar and placed in a pan of hot water. Students observe the ice in each jar and discover that the jar wrapped in aluminum foil melts first, and the jar wrapped in cotton melts last. Which property of the different types of materials are the students most likely investigating?
a)
ability to produce thermal energy
b)
ability to conduct electricity
c)
states of matter
d)
ability to insulate thermal energy
33.
_________________________ is a measure of the average kinetic energy of the particles in a material.
a)
thermal
b)
friction
c)
temperature
d)
expansion
34.
The most common temperature scale used in the United States - where water freezes at 32 degrees and boils at 212 degrees is called the __________________________ scale.
a)
Celsius
b)
Pound
c)
Kelvin
d)
Fahrenheit
35.
The most common temperature scale used in the physical sciences where temperatures are 273 degrees more than temperatures on the Celsius scale, and 0 is based on the concept of absolute zero, is called the _______________ scale.
a)
Fahrenheit
b)
Kelvin
c)
Pound
d)
Celsius
36.
The movement of thermal energy from an object at a higher temperature to an object at a lower temperature is called ____________.
a)
thermal
b)
expansion
c)
temperature
d)
heat
37.
Thermal energy stops moving when the objects have the same temperature.
a)
True
b)
False
38.
An increase in the volume of a substance when the temperature increases is called ___________________________________.
a)
kinetic energy
b)
thermal expansion
c)
temperature
d)
heat
39.
What is the difference between heat and temperature?
a)
temperature measures the average speed of particles, and heat is the transfer of thermal energy (total motion of the particles)
b)
temperature is measured by a thermometer, and heat is measured by a barometer
c)
heat is measured in calories, and temperature is measured in joules
d)
heat is caused by the sun, and temperature is caused by conditions in the atmosphere
40.
Why is there more thermal energy in an iceberg than in a pot of boiling water?
a)
the pot insulates the heated molecules
b)
most icebergs are fairly warm to the touch
c)
icebergs contain many more molecules than pots of water
d)
water does not hold heat very well
41.
Which of the thermometers shows the Celsius scale?
a)
1
b)
2
c)
3
42.
If all three beakers were filled with water that was the same temperature, which one would have the most total heat/thermal energy?
a)
800 mL
b)
150 mL
c)
260 mL
d)
all would have the same amount of total heat/thermal energy
43.
Compare the two beakers, one with cold water and one with warm water. Which one would have the greatest total heat/thermal energy?
a)
warm
b)
cold
c)
the would both have the same amount of total thermal energy/heat
44.
What is the boiling temperature of the substance used to make the time/temperature graph in the picture?
a)
40° C
b)
0° C
c)
20° C
d)
70° C
45.
What term is represented by the letter B?
a)
solid
b)
melting/freezing
c)
liquid
d)
vaporization
46.
What is happening to the temperature as a substance is boiling?
a)
It increases
b)
It decreases
c)
It stays the same
47.
Gasoline engines and diesel engines are ____.
a)
heat movers
b)
external combustion engines
c)
insulators
d)
internal combustion engines
48.
A device that converts thermal energy into mechanical energy is a ____.
a)
heat mover
b)
refrigerator
c)
heat engine
d)
conductor
49.
Specific heat is the amount of _____required to raise the temperature of 1 kg of a material 1 K
a)
thermal energy
b)
mechanical energy
c)
electrical energy
d)
energy
50.
An engine that burns fuel outside from the main engine uses
a)
internal combustion
b)
remote combusion
c)
transfer combus
d)
external combustion
51.
Automobile engines and steam engines are examples of
a)
solar collectors.
b)
external combustion engines.
c)
heat engines.
d)
internal combustion engines.
52.
The process by which engine fuels burn is
a)
conduction.
b)
convection.
c)
combustion.
d)
radiation.
53.
Heat engines convert thermal energy to _______.
a)
radiant energy
b)
nuclear energy
c)
mechanical energy
d)
chemical energy
54.
In room C, thermal energy transfers to the people by
a)
Conduction
b)
Convection
c)
Radiation
d)
Both Convection and radiation
55.
What happens to the temperature of an ice cube as it is melting?
a)
it increases
b)
it decreases
c)
it stays the same
56.
Is melting an ice cube an exothermic or endothermic process?
a)
exothermic
b)
endothermic
57.
Why does the temperature of a glass of ice water stay the same until the entire phase change is complete?
a)
the energy is being conserved to maintain a constant temperature
b)
energy is being released to increase the temperature
c)
energy is being used to break the bonds between the molecules
d)
the energy is being absorbed to increase the temperature
58.
Vaporization that occurs at the surface of a liquid is called _____.
a)
boiling
b)
evaporation
c)
sublimation
d)
condensation
59.
Susan wanted to see which level of acidity or basicity of substance would be best to water plants with. She set up one group of plants to be watered with lemon juice/water solution, one group with toothpaste/water solution, and one group with neutral water. What is the control in her experiment?
a)
lemon juice/water solution
b)
toothpaste/water solution
c)
neutral water
d)
there was no control in this experiment
60.
Phase changes such as condensation are an example of a _________.
a)
physical change
b)
chemical change
c)
nuclear change
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