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- 1. Multiple Choice
Which of the following is NOT a source of heat?
friction
electricity
water
the sun
- 2. Multiple Choice
A/an ________________ allows heat to move through it easily.
temperature
thermal energy
conductor
insulator
- 3. Multiple Choice
_____________ is the tool used to measure temperature.
A thermometer
A scale
A ruler
none of the above
- 4. Multiple Choice
If you dropped a hot rock in a bucket of cold water, the rock will _____________________________.
melt
stay the same temperature
become cooler
become hotter
- 5. Multiple Choice
You can produce heat energy by ___________ wood in a fireplace or campfire.
mixing
burning
conducting
insulating
- 6. Multiple Choice
Temperature and Heat are the same thing?
True
False
- 7. Multiple Choice
Rubbing your hands together on a cold winter day produces heat through ______________.
electricity
chemical reactions
the sun
friction
- 8. Multiple ChoiceWhich of the following materials would be the best conductor of heat?PlasticMetalStoneWood
- 9. Multiple ChoiceWhich characteristic of wax makes it a good choice for making candles?It is moist.It burns yellow.It melts easily.It is lightweight.
- 10. Multiple ChoiceThe picture shows yarn made from wool.
Why is wool good to use for making clothes?It burns easily.It shrinks when it gets wet.It blocks out cold wind and holds heat inside.It comes from an animal. - 11. Multiple ChoiceWhy do plants need the sun?It lights them up.It keeps them warmIt helps them hold onto waterIt helps them make food
- 12. Multiple ChoiceWhat does the sun do at night?It goes darkIt lights up another solar systemIt keeps shining on the other half of the earthIt goes to bed
- 13. Multiple Choice
What are the three fossil fuels?
coal, oil, and natural gas
solid, liquid, and gas
sedimentary, igneous, and metamorphic
fire, ice, and snow
- 14. Multiple Choice
What is our most important form of light energy?
a lamp
the moon
the sun
a candle
- 15. Multiple Choice
Without the sun's heat, what would happen to earth?
aliens would invade
the earth would explode
it would be too cold to survive
- 16. Multiple Choice
What is a conductor?
a material that heat moves through easily
a material that heat does not move through easily
a material that turns cold when heated
a tool for measuring temperature
- 17. Multiple Choice
What is an insulator?
a material that heat moves through easily
a material that heat does not move through easily
a material that turns cold when heated
a tool for measuring temperature
- 18. Multiple Choice
Which of these is a better conductor?
- 19. Multiple Choice
Which of these is a better insulator?
- 20. Multiple Choice
What temperature is shown on the thermometer?
24°F
24°C
20°F
30°C
- 21. Multiple Choice
What happens when you are out in the sun too long?
sunburn
get chills
have fever
- 22. Multiple Choice
Things that are made out of metal are good _________.
conductors
insulators
- 23. Multiple Choice
Things made out of cloth, wood and plastic are good _____.
conductors
insulators
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