Phase Change Chapter 1

What do Earth and the moon Titan have in common?

• Both have seasons that last 3 - 4 months

• Both have liquid lakes and seas

• Both have atmospheres which rain methane

What are we investigating about Titan in this unit's storyline?

• What happened to the lake pictured in 2007?

• Is there life on Titan?

• Does Titan have rings like the planet Saturn?

When a substance changes from a liquid to a solid, which is true?

• substance freezes

• substance melts

• substance evaporates

Tags

NGSS.MS-PS1-4

Which process takes place when a liquid becomes a gas?

• melting

• freezing

• evaporation

• condensation

Tags

NGSS.MS-PS1-4

Which of these does NOT describe a solid?

• visible

• holds its shape

• does not flow

• fills the container

Tags

NGSS.5-PS1-3

Which of these describes a gas?

• fills any container

• flows

• molecules move in place

• holds its shape

When does condensation occur?

• substance changes from gas to liquid

• substance changes from liquid to gas

• substance changes from solid to liquid

Tags

NGSS.MS-PS1-4

In a liquid, molecules

• move in place

• move around each other

• move away from each other

Tags

NGSS.MS-PS1-4

The molecules of a substance have greater freedom of movement in the solid phase.

• True

• False

The word phase means

• how much of a substance there is

• the adding/subtracting of energy

• the different forms of a substance

Tags

NGSS.MS-PS1-4