Melting and Freezing

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

NGSS.MS-PS3-4

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.MS-PS1-2

The boiling point of water is....

• 70^oC

• 100^oC

• 0^oC

• 50^oC

The freezing point of water is...

• 100^oC

• 0^oC

• -10^oC

• 150^oC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Melting is.....

• A process where a gas changes into a solid.

• A process where a liquid changes into solid.

• A process where a solid changes into gas.

• A process where a solid changes into a liquid.

Tags

NGSS.MS-PS1-4

Freezing is............

• A process where a liquid changes into a solid.

• A process where a solid changes into a liquid.

• A process where a liquid changes into a gas.

• A process where a solid changes into a gas.

What scientific tool can be a student use to measure the freezing point of water?

• Stopwatch

• Celsius thermometer

• Pan balance

• Hot plate

What is happening at the boiling point?

• liquid to gas

• solid to liquid

• gas to liquid

• liquid to solid

Tags

NGSS.MS-PS1-4