Changes of State

Molecules have energy and _________ stop moving

• rarely
• always
• never
• sometimes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Matter changes state when...

• energy is added or removed
• energy is added
• energy is removed
• there is no energy

Tags

NGSS.MS-PS1-4

As molecules gain energy, they move _____ and spread apart, and vise versa.

• faster
• slower
• less
• inside

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Energy(heat) is added in order to go from ...

• solid to gas
• liquid to solid
• gas to liquid
• gas to solid

Tags

NGSS.MS-PS1-4

Energy(heat) is removed in order to go from ....

• gas to solid
• solid to liquid
• solid to gas
• liquid to gas

Tags

NGSS.MS-PS1-4

Matter will change state when enough energy (heat) is added to , or removed from, the molecules. 

• true
• false

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If you want to change liquid water into a gas you must:

• remove heat from the water
• apply pressure to the water
• add heat to the water
• add chemicals to the water

Tags

NGSS.MS-PS1-4

Suppose you pour a glass of ice water and set it on the kitchen table. After a few minutes, the outside of the glass will be covered with drops of water. Why did this happen?

• Oxygen in the air cooled and condensed onto the cold glass.
• Water vapor in the air cooled and condensed onto the cold glass.
• Water vapor in the air cooled and evaporated onto the cold glass.
• Water seeped through pores in the glass.

Tags

NGSS.MS-ESS2-5

What happens to a substance when it changes from a liquid to a solid?

• it gains mass
• it gains energy
• it loses mass
• it loses energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is an example of sublimation?

• Ice cream melting

• Dry ice being added to water

• Frost forming on grass

Tags

NGSS.MS-PS1-4