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

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

Revolt · Accepted Answer

All matter is made up of particles that are constantly moving. The motion of the particles results in kinetic energy.; The part of total internal energy that can be transferred is thermal energy.; As temperature increases, the particles in a substance move faster and have greater kinetic and thermal energy.

Question 3

condensation✔ meltingsublimation

Revolt · Accepted Answer

melting

Question 4

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

Changes of State Answers

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