S.5 Changes in Energy on the Molecular Level

What is thermal energy?

• Heat energy

• Electric energy

• Potential energy

• Physical energy

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NGSS.MS-PS1-4

NGSS.MS-PS3-3

Explain how the molecules in a solid behave differently from the molecules of a liquid.

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NGSS.MS-PS1-4

How are the molecules in a gas different than the molecules in a solid or liquid?

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to any substance when you add thermal energy?

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Increasing the temperature of a substance also increases the...

• Price

• Density

• Kinetic energy

• Potential energy

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Decreasing the temperature of a substance also decreases the...

• Kinetic energy

• Potential energy

• Electric charge

• Price

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

If a substance has a high level of kinetic energy, that means the molecules are...

• Moving very energetically

• Moving very slowly

• Not moving at all

• decaying

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If a substance has a low level of kinetic energy, that means its molecules are...

• Moving very energetically

• Moving very slowly

• Not moving at all

• Decaying

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What state of matter is represented by this picture?

• Solid

• Liquid

• Gas

• Plasma

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NGSS.MS-PS1-4

What state of matter is represented by the picture?

• Solid

• Liquid

• Gas

• Plasma