Amplify Unit 6 Phase Change Review

What two factors determine whether a phase change occurs?

• Kinetic Energy and Molecular Attraction

• Molecular Attraction and Temperature

• Temperature and Phase Change

• Heat and Temperature

Tags

NGSS.MS-PS1-4

How much relative energy is needed for particles with a strong attraction to change phase when Kinetic Energy is increasing?

• A lot

• A little

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How much relative energy is needed for particles with a weak attraction to change phase when Kinetic Energy is increasing?

• A little

• A lot

Tags

NGSS.MS-PS1-4

How much relative energy is needed for particles with a strong attraction to change phase when Kinetic Energy is decreasing?

• A little

• A lot

Tags

NGSS.MS-PS1-4

How much relative energy is needed for particles with a weak attraction to change phase when Kinetic Energy is decreasing?

• A lot

• A little

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

TRUE OR FALSE: Different phases of the same substance have different molecular attraction levels?

• FALSE

• TRUE

Tags

NGSS.MS-PS1-4

TRUE OR FALSE: Different substances have different molecular attraction levels.

• TRUE

• FALSE

Fill in the Blank: The molecular attraction of a substance ______________ changes.

• sometimes

• always

• never

Tags

NGSS.MS-PS1-4

Define Molecular Attraction

• The molecular attraction of a substance never changes.

• A pull between two molecules that is always the same for a substance.

• Heat

• Freedom of Movement

What determines the necessary amount of transferred energy to achieve a phase change?

• Heat

• Freedom of Movement

• Phase

• Molecular Attraction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4