States of Matter: Change in Temperature

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

• true

• false

Which is needed for both boiling and melting to occur?

• solids

• gases

• heat

• pressure

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

• faster

• slower

• less

• inside

The process where water vapor changes from a gas to a liquid is called:

• sublimation

• precipitation

• evaporation

• condensation

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

What is happening when my ice cream changes from a solid to a liquid?

• freezing

• melting

• burning

• evaporation

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

The particles in water move fastest in water that is _______________.

• boiling

• frozen

• liquid

• melting

The speed of the molecules determines the _____.

• volume
• density
• pressure
• temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

a. The water begins to get hot and bubbles appear. Steam forms above the pot. What state of matter is the steam?

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4