Unit 2 Review

The energy of movement is ___.

• potential energy

• kinetic energy

• mechanical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Of these three states of matter, which one has the most kinetic energy? 

• Solid 
• Liquid 
• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Molecules in a gas look like:

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

Molecules in a solid look like:

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Molecules in a liquid look like:

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

Pressure is caused by:

• Gas molecules colliding with surfaces

• Gas molecules reacting with each other

• Gas molecules colliding with each other

• Gravity

Which characteristic is included in the particle theory of matter?

• All matter is made up of tiny particles

• All particles in a pure substance are the same

• Particles are always moving

• All of the above

Which arrow shows evaporation?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS2-4

Which arrow shows freezing?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-4

Which arrow shows condensation?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-4