Melting and Boiling Points

What causes the particles in a substance to move faster and farther apart?

• matter

• energy

• water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

... can change phase when enough heat is added or taken away

• substances

• mass

• weight

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If you boil water in a pot, some of the water becomes...

• water vapor

• precipitation

• evaporation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

NGSS.MS-ESS2-4

Phase changes are examples of ... changes

• chemical

• biological

• physical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Physical changes can be reversed by adding or removing energy.

• true

• false

Tags

NGSS.MS-PS1-4

Every substance changes phases at the same temperature

• true

• false

Tags

NGSS.MS-PS1-4

The melting and boiling point of a substance are physical changes.

• true

• false

Tags

NGSS.MS-PS1-4

The ... is the temperature at which a substance changes from a solid to a liquid.

• true

• false

Tags

NGSS.MS-PS1-4

The temperature at which a substance melts is different from the temperature of which it freezes, or changes from a liquid to a solid

• true

• false

Tags

NGSS.MS-PS1-4

The boiling point is the temperature at which a substance changes from a liquid to a gas.

• false

• true

Tags

NGSS.MS-PS1-4