Changes of State

Question 1

Melting butter is a physical change. Which best describes what is happening?

Revolt · Accepted Answer

The butter contains a new arrangement of atoms.

Question 2

Use the drop-down menus to determine the changes of state that are missing from the triangle.

Revolt · Accepted Answer

✔ sublimation; Label A:: sublimation; Label B:: condensation; Label C:: melting

Question 3

✔ condensationmeltingsublimation

Revolt · Accepted Answer

✔ condensation

Question 4

condensation✔ meltingsublimation

Revolt · Accepted Answer

✔ melting

Question 5

Use the drop-down menus to match each description with the appropriate change of state.

Revolt · Accepted Answer

Piles of snow turn to puddles of water.: melting; Puddles of water gradually dry up.: evaporation; Frost builds up on a window.: deposition

Question 6

boiling✔ evaporationcondensation

Revolt · Accepted Answer

✔ evaporation

Question 7

✔ depositionsublimationvaporization

Revolt · Accepted Answer

✔ deposition

Question 8

What happens to the atoms in a scoop of ice cream as it melts?

Revolt · Accepted Answer

They vibrate faster.

Question 9

Determine which change of state is being described in this passage.As the temperature decreases, the atoms lose energy. The atoms begin to move slower. They are held together by attractive forces, but are still able to slide past each other.

Revolt · Accepted Answer

gas to liquid

Question 10

Which changes of state are characterized by having atoms that gain energy? Check all that apply.meltingsublimationfreezingvaporizationcondensationdeposition

Revolt · Accepted Answer

melting; sublimation; vaporization

Changes of State Answers

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