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Heating and Cooling of Substances Quiz

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What happens to the speed of atoms/molecules when a substance is heated?

The speed of atoms/molecules remains the same

The atoms/molecules expand and contract randomly

The speed of atoms/molecules decreases

The speed of atoms/molecules increases (correct)

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

The volume decreases (correct)

The volume remains the same

The volume increases

The volume changes unpredictably

Which of the following is a correct statement about temperature?

Temperature is a measurement of the number of atoms/molecules

Temperature is a measurement of the size of atoms/molecules

Temperature is a measurement of the average speed of atoms/molecules (correct)

Temperature is a measurement of the mass of atoms/molecules

What happens to the collisions between atoms/molecules when a substance is warmed?

<p>The collisions become stronger and more frequent</p> Signup and view all the answers

Which of the following statements is true about the atoms/molecules themselves during thermal expansion or contraction?

<p>The atoms/molecules remain the same size during heating and cooling</p> Signup and view all the answers

Heating and Cooling of Substances Quiz

Choose a study mode

Podcast

Questions and Answers

What happens to the speed of atoms/molecules when a substance is heated?

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

Which of the following is a correct statement about temperature?

What happens to the collisions between atoms/molecules when a substance is warmed?

Which of the following statements is true about the atoms/molecules themselves during thermal expansion or contraction?

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