Which is not a source of heat?
A: light
B: fire
C: wool
D: friction
C: wool
100
What is the name of energy from the sun?
A: solar
B: polar
C: nuclear
D: lunar
A: solar
100
Jo’s hot chocolate is too hot to drink, so she puts an ice cube in it. Why does the drink get colder?
A: Heat from the ice is lost to the drink.
B: Heat from the drink is lost to the ice.
C: The ice gives the drink a larger volume.
D: The ice gives the drink a pale color.
B: Heat from the drink is lost to the ice.
100
A metal pan is a(n)
A: conductor
B: insulator
C: insulation
D: Friction
A: conductor
100
When an object gets hot, what happens to the molecules inside of the object?
A: They speed up.
B: They slow down.
C: They do not change.
D: None of the above
A: They speed up.
200
7. Victor put four objects into four glasses of boiling water. Which object would feel hot FIRST?
a. paper straw
b. glass rod
c. copper wire
d. wooden popsicle stick
C: copper wire
200
A log fire represents heat energy produced by ________________________
A: Burning
B: Friction
C: Mixing one thing with another
D: None of the above
A: Burning
200
An ice cube will melt fastest in a box that is ___________________________
A: Black
B: White
C: Clear
D: Red
A: Black
200
What effect does an insulated lunch bag have on cold foods placed inside it?
A: It helps keep them cool.
B: It warms them up.
C: It makes them colder.
D: It has no effect.
A: It helps keep them cool.
200
The temperature of a cup of water taken from the refrigerator is recorded at 38°F. After sitting on the counter for 30 minutes the temperature is recorded at 62°F. What has happened?
A: The water has gotten colder.
B: The water has gotten warmer.
C: There is no charge.
D: The water has evaporated.
B: The water has gotten warmer.
300
Cold weather coats often have a thick fluffy layer. Why does this extra layer keep you warmer?
a. The layer traps extra heat from the sun.
b. The layer traps heat from your body.
c. The layer pushes cold air away.
d. The layer pushes hot air away.
B: The layer traps heat from your body.
300
Heat is made from friction when which of the following happens?
A: The sun warms the Earth
B: Two objects are rubbed together
C: A fire bursts into flames
D: Water in a pan boils
B: Two objects are rubbed together
300
An item that prevents the transfer of heat has which property?
a. Insulation
b. Radiation
c. Friction
d. Refrigerator
A: insulation
300
Insulated beverage containers will __________________________________
A: keep hot beverages hot
B: keep cold beverages cold
C: cool hot beverages
D: both a and b
D: both a and b
300
When the liquid rises in a thermometer, what has happened?
A: The thermometer has made heat.
B: The temperature has stayed the same
C: The temperature has decreased
D: The temperature has increased
D: The temperature has increased
400
How does insulation affect heat?
It can keep heat or air from traveling in or out of a house. This helps houses stay cool in the summer and warm in the winter.
400
Which does not make heat?
a. A burning candle
b. An electric current
c. A campfire
d. A sweater
D: A sweater
400
Friction is the force that makes ____________ work.
a. insulators
b. levers
c. matches
d. light bulbs
C: matches
400
If you put a metal spoon in hot water, the spoon will _________________
A: melt
B: Dissolve
C: Get Cold
D: Get Hot
D: Get Hot
400
10. Which of the following scientific tools is used to measure heat energy?
a. clock
b. balance scale
c. thermometer
d. microscope
C: thermometer
500
Building A is lined with fiberglass insulation. Building B is not insulated. Which statement is true in winter?
A. Building A is colder than Building B.
B. Building A is warmer than Building B.
C. Heat stays longer in Building B.
D. Heat moves more easily out of Building A.
B: Building A is warmer than Building B.
500
Name 3 ways heat can be produced.
burning fuels, radiation, mixing chemicals, friction, etc.
500
Name 3 ways heat can travel.
Conduction, Convection, Radiation
500
Which one of the following is a good conductor of heat?
A: a glass cup
B: a shovel
C: a rubber glove
D: a metal can
D: a metal can
500
At what temperature does water freeze?
a. 10° C
b. 100° C
c. 0° C
d. 1000° C