2.6B Changes in Matter

Front

What is melting?

Back

Melting is the process of adding heat to a solid, causing it to turn into a liquid.

Tags

NGSS.MS-PS1-4

Front

What is freezing?

Back

Freezing is the process of removing heat from a liquid, causing it to turn into a solid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What happens to ice cubes on a hot day?

Back

Ice cubes change from solid to liquid when they melt.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What changes when paper is cut?

Back

The size and shape of the paper change when it is cut.

Front

What changes when paper is folded?

Back

The shape and size of the paper change when it is folded.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume.

Front

What is a liquid?

Back

A liquid is a state of matter that has a definite volume but takes the shape of its container.

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape or volume and expands to fill its container.

Tags

NGSS.MS-PS1-4

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without changing its chemical composition.

Front

What is an example of a physical change?

Back

Cutting paper is an example of a physical change.