Heat Revision 2

Study the diagram and choose the correct answer.

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Study the diagram carefully and choose the correct answer.

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Study the diagram and choose the correct answer.

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Study the diagram carefully and then choose the correct answer.

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Which of the following is NOT a heat source?

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Which object is a conductor of heat?

• An aluminum nail

• A rubber band

• A tree

• A balloon

Dean is making a trivet. A trivet is placed on a table beneath a hot pot.

He knows that he must choose something that will NOT allow heat to pass easily from the hot pot to the table. Which material should Dean use to make the trivet?

• Wood

• Aluminum

• Copper

• Silicon

George holds an ice cube in his hand. As he squeezes the ice, it begins to melt. Which of the following best explains why this happens?

• George absorbs heat from the ice.

• Heat moves from George's hand into the cube and warms it.

• Cold moves from the ice onto George’s hand as it melts.

• George releases cold to the ice.

Adhiya placed a bottle of cold milk into a cup of hot water. The cold milk becomes hotter after a while. Which one of the following explain this?

• The cup loses heat to the hot water.

• The bottle of cold milk gains heat from the cup.

• The bottle of cold milk loses heat to the hot water.

• The bottle of cold milk gains heat from the hot water.

Rahma got an ice cream from her mom. The ice cream melts under the sun because the ice cream ___________.

• gains heat from the sun

• loses heat to the sun

• cannot withstand the heat from the sun

• produce too much heat