Unit10: Water and Air

What is air pressure?

• The weight of the Earth's atmosphere on a given area.

• The force exerted by the weight of the Earth on a given area.

• The force exerted by the weight of water on a given area.

• The weight of the Earth's ozone layer on a given area.

Which of the following is an effect of high air pressure?

• stormy weather

• Stable weather conditions

• Cloudiness

• Precipitation

Tags

NGSS.MS-ESS2-5

What happens to air pressure as altitude increases?

• It remains constant

• It decreases

• It increases

• It fluctuates

How does air move in relation to air pressure?

• It moves from areas of low pressure to areas of high pressure.

• It moves from areas of high pressure to areas of low pressure.

• It moves horizontally without any relation to air pressure.

• It does not move in relation to air pressure.

Tags

NGSS.MS-ESS2-5

Which of the following physical properties does water possess?

A) Transparency

B) Flammability

C) Boiling point

• A) and B)

• B) and C)

• A) and C)

• A), B) and C)

What is the boiling point of water?

• 0⁰C

• 100⁰C

• 50⁰C

• 200⁰C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the melting point of water?

• 0⁰C

• 100⁰C

• 50⁰C

• 200⁰C

Tags

NGSS.MS-PS1-4

What is the surface tension of water?

• The force that holds water molecules together at the surface.

• The ability to dissolve other substances.

• The cohesive force that holds water molecules together in a liquid state.

• The force that makes water transparent.

What is the process called when water vapor turns back into liquid water?

• Freezing

• Condensation

• Evaporation

• Sublimation

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What is the universal solvent?

• Water

• Air

• Oxygen

• Carbon dioxide

Tags

NGSS.MS-ESS2-4