Air

The gas released during photosynthesis

• Carbon dioxide

• Nitrogen

• Oxygen

• Helium

Tags

NGSS.MS-LS1-6

What happens to air pressure as you move upward into the atmosphere?

• increases

• decreases

• stays the same

In what direction(s) does air exert pressure?

• everywhere

• in one direction

• downwards only

• upwards only

Air mattresses, balloons and bubbles are all examples of which property of air?

• Warm air expands

• Air takes up space

• Air has weight

• Air is a mixture of gases

If you pick up two cans of air, one full and one almost empty, the one that is full is heavier because...

• Warm air expands

• Air is a mixture of gases

• Air has weight

• Cool air contracts

Tags

NGSS.MS-PS3-4

The gas that is converted into a usable form by bacteria present in soil

• Oxygen

• Helium

• Nitrogen

• Hydrogen

Tags

NGSS.MS-LS2-3

Identify the process

• Coughing

• inhalation

• inhalation and Exhalation

• Exhalation only

Hot air ___________ and cold air __________

• Sinks, Rises

• Rises, Sink

• is fun, is lazy

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The gas that is present in the highest amount in air

• Nitrogen

• Oxygen

• carbon dioxide

• Helium

Air is

• Colourless and tasteless

• Colourless , odourless and tasteless

• Only tasteless