Changes in Energy on a Molecular Level

These molecules represent which state of matter?

• Solid
• Liquid
• Gas

Tags

NGSS.MS-PS1-4

What phase change is happening between point B and C?

• Condensating

• Melting

• Evaporating

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

What phase change is occurring between points D and E?

• Freezing
• Evaporating
• Melting 

Tags

NGSS.MS-PS1-4

Describe the molecules in a gas.

• Tightly compact, vibrating
• Close together, slightly moving
• Far apart, moving fast

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As thermal energy increases, what happens to the movement of the molecules?

• Increases
• Decreases
• Stays the same 

Tags

NGSS.MS-PS1-4

If the movement of the atoms increases, you can assume the temperature was _________.

• Increased

• Decreased

• Not Changes

Tags

NGSS.MS-PS1-4

The transfer of thermal energy from one object to another is known as ______.

• Kinetic Energy
• Heat
• Potential Energy

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Arnold placed a hot pan on the counter. The pan is transferring heat to the counter by the process of _______.

• Radiation
• Convection
• Conduction

Tags

NGSS.MS-PS1-4

The sun transfers heat to the Earth by _________. 

• Radiation
• Convection
• Conduction

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Heat can also be transferred by _____. An example of this is when the air moves from things that are hotter to colder.

• Radiation
• Conduction
• Convection

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4