Fossweb Weather and Water Investigation

What is atmospheric pressure ?

• The force exerted on a surface by the mass of the air above it.

• The speed of the wind blowing.

• The large scale movement of air against a surface

• How hard air particles push against the plunger in a syringe

Which weather tool measures air pressure ?

• Wind Meter

• Barometer

• Hygrometer

• Thermometer

What units are used to measure air pressure ?

• Degrees

• Millibar

• Percentages

• Wind speed (MPH)

What causes winds?

• differences in precipitation

• differences in humidity

• differences in air pressure

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

When water vapor in an air parcel cools it can _____ into liquid water which can form a cloud and fall as rain.

• Evaporate

• Condense

• Precipitate

• Weather

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

The particles can get so large that the ________________ force can cause them to fall out of the cloud. This is how precipitation forms.

• electrostatic

• gravitational

• centrifugal

• magnetic

Tags

NGSS.MS-PS2-4

What does this symbol represent?

• high temperature

• low temperature

• high pressure

• low pressure

Tags

NGSS.MS-PS3-4

What is the lowest pressure value?

• 1006

• 1008

• 1012

• 1024

Air particles flow from areas of _____ pressure to areas of _________ pressure.

• Equal pressure to high pressure

• Low pressure to high pressure

• High pressure to low pressure

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Air particles flow from high to low pressures until ________ is reached.

• high pressure

• equilibrium/equal

• low pressure

• new pressure

Tags

NGSS.MS-ESS2-5