Y7 CH 8-12 Chemistry

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A gas

• has a definite shape but no definite volume
• has a definite volume but no definite shape
• has fast-moving particles

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Particles of a liquid

• are tightly packed together and stay in a fixed position.

• are free to move around one another but still touch.

Tags

NGSS.MS-PS1-4

What is condensation?

• gas to solid

• gas to liquid

• liquid to solid

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Which form of matter does not take the shape of its container?

• liquid
• gas
• solid
• air

What state of matter does the picture best describe?

• Solid
• Liquid
• Gas

Tags

NGSS.HS-PS1-3

In the above diagram, "State of Matter B" is a liquid. This means that it has:

• definite shape and volume.
• no definite shape or volume.
• definite volume, but changing shape.
• definite shape, but changing volume.

Tags

NGSS.HS-PS3-4

What state of matter does this picture show?

• Solid

• Liquid

• Gas

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

As temperature increases, what happens to particles?

• They speed up

• They slow down

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which process could cause a material to change state from gas to liquid?

• Adding heat

• Adding energy

• Removing particles

• Removing energy

Tags

NGSS.MS-PS1-4