Melting and Freezing

The temperature at which a substance changes states from a solid to a liquid

• Freezing point

• Melting point

• Evaporation

• Condensation

Tags

NGSS.MS-PS1-4

The freezing and melting points of water are the same.

• True
• False

Tags

NGSS.MS-PS1-4

....................... is process of changes of matter from solid into liquid.

Tags

NGSS.MS-PS1-4

Ice starts to melt when it ........................ heat.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Water starts to freeze when it .....................heat.

Tags

NGSS.MS-PS1-4

Freezing point

• The classification of matter as a solid, a liquid, or a gas

• Physical change in matter from a gas to a liquid

• The temperature at which a substance changes states from a solid to a liquid

• The temperature at which a substance changes from a liquid to a solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Give ticks for 3 correct examples about permanent changes!

• Fry an egg

• make ice cube

• burned woods

• melted gold

• bake a bread

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Solid can change into a liquid when it's .......

• cooled

• burned

• heated

• freezed

Tags

NGSS.MS-PS1-4

The permanent change forms ......because of the change.

• a new item

• a new substance

• a new stage

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Temporary change means....

• the materials that undergo change could produce another substance.

• the materials that undergo change could change into another substance.

• the materials that undergo change cannot return to its original form.

• the materials that undergo change can return to its original form.

Tags

NGSS.5-PS1-4