AIR - Science

Helium, Neon and Argon are .........

• noble gases

• nitrogen

• oxygen

What is the biggest component of air?

• oxygen

• nitrogen

• carbon dioxide

We need .......... to breathe.

What are other components of air?

• water vapor

• dust

• microorganisms

• sound

Plants make food using carbon dioxide in the air.

• True
• False

Movement of air across Earth's surface brings ..........seasons.

• dry

• rainy

• winter

Air moves from a warm place to a cool place.

• True
• False

Oxygen is needed for burning.

• True
• False

The least part of components of air is ......

• Oxygen

• Carbon dioxide & other gases

• Nitrogen

Without air, sound cannot ...........