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23 questions
Which of the following is NOT a source of heat?
friction
electricity
water
the sun
A/an ________________ allows heat to move through it easily.
temperature
thermal energy
conductor
insulator
_____________ is the tool used to measure temperature.
A thermometer
A scale
A ruler
none of the above
If you dropped a hot rock in a bucket of cold water, the rock will _____________________________.
melt
stay the same temperature
become cooler
become hotter
You can produce heat energy by ___________ wood in a fireplace or campfire.
mixing
burning
conducting
insulating
Temperature and Heat are the same thing?
True
False
Rubbing your hands together on a cold winter day produces heat through ______________.
electricity
chemical reactions
the sun
friction
What are the three fossil fuels?
coal, oil, and natural gas
solid, liquid, and gas
sedimentary, igneous, and metamorphic
fire, ice, and snow
What is our most important form of light energy?
a lamp
the moon
the sun
a candle
Without the sun's heat, what would happen to earth?
aliens would invade
the earth would explode
it would be too cold to survive
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
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
Which of these is a better conductor?
Which of these is a better insulator?
What temperature is shown on the thermometer?
24°F
24°C
20°F
30°C
What happens when you are out in the sun too long?
sunburn
get chills
have fever
Things that are made out of metal are good _________.
conductors
insulators
Things made out of cloth, wood and plastic are good _____.
conductors
insulators
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