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- 1. Multiple Choice
A thermal conductor allows energy to flow _____.
not at all
easily
over the Internet
- 2. Multiple Choice
A good _____ does NOT allow energy to flow easily.
conductor
metal
insulator
- 3. Multiple Choice
The ocean is cold even in summer because water _____.
has high specific heat
has low specific heat
is insulated from sunlight
- 4. Multiple Choice
A foam picnic cooler keeps food cold on a hot day. What is this an example of?
a conductor
an insulator
thermal expansion
- 5. Multiple Choice
Wood and styrofoam are examples of _____.
conductors
insulators
cold objects
- 6. Multiple Choice
All of the following are conductors except _______.
metal spoon
wire
plastic spoon
- 7. Multiple Choice
Mrs. Tomooka stirred a hot drink in a styrofoam cup with a metal spoon. In what order did the thermal energy reach her hand?
cup-> hot drink-> hand
hand-> spoon-> hot drink
hot drink-> spoon-> hand
- 8. Multiple Choice
Mrs. Agliolo poured some coffee into a cup and stirred it with a metal spoon. She noticed the spoon was really warm. What is the best explanation for this?
The spoon is a conductor
The spoon is an insulator
The spoon reflects the heat
- 9. Multiple Choice
A material's ability to transfer heat by collisions between its particles is called _____.
heat
cold
thermal conductivity
- 10. Multiple Choice
A ___ is a device for measuring temperature.
conductor
insulator
thermometer
- 11. Multiple Choice
Gloves help keep your hands warm in winter because:
They are conductors of heat.
They are fuzzy.
They are insulators.
- 12. Multiple Choice
What is a unit of temperature?
Celsius
Pounds
Pizza
- 13. Multiple Choice
A small pot would get hot faster than a large pot. (Both pots are made of the same material.)
True
False
- 14. Multiple Choice
The greater the mass of a substance, the more thermal energy is needed to change its temperature.
True
False
- 15. Multiple Choice
Different substances (copper, water, glass) have different specific heats.
True
False
- 16. Multiple Choice
Specific heat is the amount of thermal energy required to DECREASE the temperature of 1 kg of a material by 1 degree Celsius.
True
False
- 17. Multiple Choice
In addition to the type of material and the mass of material, surface area, thickness and reflectivity and absorbency are factors in how thermal energy is transferred.
True
False
- 18. Multiple Choice
The color _____ REFLECTS all radiated light energy.
red
black
white
- 19. Multiple Choice
The color _____ ABSORBS all radiated light energy.
red
black
white
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