Heat Transfer and Temperature

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What happens to the energy when a substance is heated?

Energy is lost from the substance

Energy is transferred to the substance (correct)

Energy stays constant in the substance

Energy is transformed into matter

How does cooling affect the speed of atoms/molecules in a substance?

Halts their movement

Does not change their speed

Slows them down (correct)

Increases their speed

What is the relationship between temperature and particle speed?

Inverse proportional

Directly proportional (correct)

No relationship

Fluctuates randomly

What happens to a substance when it is warmed?

Atoms/molecules spread further apart Signup and view all the answers

How do collisions between atoms/molecules change when a substance is cooled?

They become weaker and less frequent Signup and view all the answers

What is the main effect of heating a substance?

The atoms/molecules gain energy and move faster Signup and view all the answers

What happens to the volume of a substance when it is cooled?

The volume decreases as the atoms/molecules get closer together Signup and view all the answers

What is the relationship between temperature and the average speed of atoms/molecules?

Temperature is directly proportional to the average speed of atoms/molecules Signup and view all the answers

How do the collisions between atoms/molecules change when a substance is heated?

The collisions become more frequent and more strong Signup and view all the answers

What is the main effect of cooling a substance?

The atoms/molecules lose energy and move slower Signup and view all the answers

How do the atoms/molecules themselves change when a substance is heated or cooled?

The atoms/molecules remain the same size, only their speed changes Signup and view all the answers

Heat Transfer and Temperature

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Questions and Answers

What happens to the energy when a substance is heated?

How does cooling affect the speed of atoms/molecules in a substance?

What is the relationship between temperature and particle speed?

What happens to a substance when it is warmed?

How do collisions between atoms/molecules change when a substance is cooled?

What is the main effect of heating a substance?

What happens to the volume of a substance when it is cooled?

What is the relationship between temperature and the average speed of atoms/molecules?

How do the collisions between atoms/molecules change when a substance is heated?

What is the main effect of cooling a substance?

How do the atoms/molecules themselves change when a substance is heated or cooled?

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