Heat Energy Review

How can heat be created?

• burning

• rubbing

• pouring

• mixing

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Which is NOT a way heat energy is used?

• warming your home

• watching TV

• plants and animals living

• cooking food

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Which is a source of heat energy we cannot live without?

• fuel

• sun

• food

• light bulbs

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Why does a mug feel hot after you pour coffee in it?

• The air in the room is heating the mug.

• Your hand warms the mug.

• The mug will not feel warm.

• The heat is transferring from the coffee to the mug.

Tags

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Heat flows from a ______ object to a ______ object.

• hot, cold

• cold, hot

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Molecules in a cold item are moving ______.

• slowly

• quickly

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Which of these are examples of something we can burn to produce heat?

• oil

• wood

• ice

• sand

• gasoline

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NGSS.4-PS3-2

Wyatt steps outside and feels the cold air. What is one thing that Wyatt could do to help warm himself?

• breathe slowly

• sit under the shade of a tree

• stand completely still

• rub his hands together

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Kim knows that most things that create light also create heat. She wants to know how much heat is given off by the bulb on her desk lamp while she is doing her homework. Which of the following would be the best way for Kim to measure how much heat the bulb puts out?

• Place a glass of ice under the lamp to see whether it will melt.

• Place a black shirt under the lamp and feel how hot it gets.

• Place her hand under the lamp to see if her hand gets warm.

• Place a thermometer under the lamp and measure the temperature.

Grace and Tyler were outside on a sunny day. Grace wore a white shirt and Tyler wore a black shirt. Why did Tyler feel hotter than Grace?

• He was sitting far away from Grace

• Dark colors take in the Sun's energy

• He was sitting closer to the ground than Grace.

• Dark colors push away the Sun's energy