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Which of the following does not produce heat?
A loaded pallet at the top of a crane
Your body
The sun
Coal
Which of the following statements about fossil fuels is false?
Fossil fuels contain light energy
Fossil fuels produce heat
Fossil fuels formed from ancient plants and animals
Fossil fuels cannot be replaced
Which of the following energy sources is renewable?
Wind
Gasoline
Nuclear fuel rod
Coal
Which of the following would not be a potential renewable energy source in the future?
Old-growth forest
The tidal wave motion of water
The sun's energy
The energy from hot water natural springs
Which of the following is not an example of waste heat?
A microwave popping popcorn
A laptop computer warming your legs
An un-insulated wire getting very hot
The protective tiles on the space shuttle getting hot as it enters the atmosphere
Which one of the following examples contains the highest energy particles?
Steam from an undersea volcanic vent
The center of a glacier
Sun-warmed cat fur
Dust in a whirly wind
Which one of the following examples contains the most thermal energy?
A 1000 litre vat of 100°C maple syrup
A saucepan full of 100°C maple syrup
A teaspoon full of 100°C maple syrup
A teaspoon full of 50°C maple syrup
A pot full of tea and a cupful of tea are forgotten on a tabletop and allowed to come to room temperature. Which one of the following statements about their thermal energy is true?
The pot of tea now contains more thermal energy than the cup of tea
The pot and the cup will not reach the same temperature
The pot and the cup have both lost all of their thermal energy to the surrounding air and the table
The cup has lost more heat than the pot
Which example below contains the most thermal energy?
One million molecules of lead heated to 50°C
One thousand molecules of lead heated to 50°C
One million molecules of nitrogen gas heated to 50°C
One million molecules of water heated to 50°C
You are asked if you would like a hot chocolate. Which one of the following container choices below do you think will be best at preventing the transfer of thermal energy?
