Changes of State

Question 1

At lunch, the babysitter gives Tanya and Damien each a chocolate candy. Tanya puts her candy on her plate. Damien saves his candy in his pocket. After lunch, Damien discovers his candy has melted. Which statement accurately compares the atoms in the two candies?

Revolt · Accepted Answer

The atoms in Damien’s candy are vibrating faster.

Question 2

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

As temperature increases, the atoms or molecules in a substance gain energy.; As temperature decreases, the particles lose energy.; A change in the energy of particles causes a change in their arrangement.; A change in the arrangement of particles can lead to a physical change.

Question 3

What happens to the atoms in a liquid as it freezes?

Revolt · Accepted Answer

They are held together by attractive forces.

Question 4

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

As the temperature decreases, the atoms in a gas lose energy.; The atoms move slower.; The attractions among atoms cause liquid to form.; This process is called condensation.

Changes of State Answers

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