Atmosphere, Density, and Heat Day 3

Front

What is the force that air exerts on all objects called?

Back

Air pressure.

Front

What happens to air pressure as you go higher in the atmosphere?

Back

Air pressure decreases.

Front

What is density?

Back

Density is the mass of an object divided by its volume.

Front

How does heat transfer occur between two objects?

Back

Heat transfers from hot to cold until the temperatures are equal.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases).

Tags

NGSS.MS-ESS2-6

Front

What happens to air when it is heated?

Back

Heated air loses density and rises.

Tags

NGSS.MS-PS1-4

Front

What happens to air when it cools?

Back

Cooled air gains density and sinks.

Tags

NGSS.MS-PS1-4

Front

What is the relationship between temperature and density in gases?

Back

As temperature increases, density decreases.

Front

What is the main cause of wind?

Back

Wind is caused by differences in air pressure.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What is altitude?

Back

Altitude is the height of an object above sea level.