Phase Change Review

What best describes the macro and molecular scale appearance of a Gas?

• Rigid, Keeps its shape, locked together and only move in place

• Fills the container and has no visible shape, free to move around and fly apart

• Flows and takes shape of its container, can move and flow around eachother

What best describes the macro and molecular scale appearance of a Liquid?

• Rigid, Keeps its shape, locked together and only move in place

• Fills the container and has no visible shape, free to move around and fly apart

• Flows and takes shape of its container, can move and flow around eachother

What best describes the macro and molecular scale appearance of a Solid?

• Rigid, Keeps its shape, locked together and only move in place

• Fills the container and has no visible shape, free to move around and fly apart

• Flows and takes shape of its container, can move and flow around eachother

Tags

NGSS.MS-PS1-4

When you transfer energy into a substance the molecules' kinetic energy ____________.

Tags

NGSS.MS-PS1-4

What phase change does A represent?

• Freezing

• Solid

• Melting

• Liquid

Tags

NGSS.MS-PS1-4

What phase change does B represent?

• Freezing

• Solid

• Melting

• Liquid

Tags

NGSS.MS-PS1-4

What phase change does C represent?

• Evaporation

• Gas

• Condensation

• Liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What phase change does D represent?

• Evaporation

• Gas

• Condensation

• Liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When you transfer energy into a substance, the temperature ______________.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When the kinetic energy of molecules ___________, the molecules are moving ____________.

• increases/faster

• increases/slower

• decreases/faster

• decreases/slower

• stays the same/same speed

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4