Unit 3 Review

What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which region(s) does temperature increase?

• Region C only

• Regions B and D

• Regions A, C, and E

• Regions A and B

In a heating curve, diagonal lines indicate temperature is __________, while flat lines indicate temperature is __________.

• Constant, changing

• Changing, constant

Describe the substance at letter A.

• Solid

• Liquid

• Melting

• Evaporating

Tags

NGSS.MS-PS1-4

The melting point of the sample is

• -60 ºC

• 20 ºC

• 60 ºC

• 100 ºC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which region(s) of the heating curve would water be a liquid and a gas at the same time?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS3-4

Given the heating curve for water, during which line segment could I find water in both the solid and liquid phase at the same time?

• AB

• BC

• CD

• DE

• EF

This curve indicates what about the heat energy?

• Heat energy is being added or absorbed

• Heat energy is being released

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the condensation (boiling) point of the substance?

• 0^oC

• 60^oC

• 120^oC

• 180^oC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

From point A to point F, the sample is going through an __________ process by __________.

• exothermic, releasing heat to the surroundings

• exothermic, absorbing heat from the surroundings

• endothermic, releasing heat to the surroundings

• endothermic, absorbing heat from the surroundings

Tags

NGSS.HS-PS1-4