Earth Year 2

Only humans and animals need air

• True

• False

Air cannot be seen but can be felt

• True

• False

Earthworms can live in the soil because soil contains air

• True

• False

Humans drown in the water because they cannot breathe

• True

• False

Effects of strong winds

• cause big waves

• threaten lives

• destroy properties

• fly a kite

• dry clothes on the clothes line

Air is around us. Air is also present in water and soil. Air consists of gases such as _______________ and ___________ for living things to breathe.

• oxygen

• carbon dioxide

• nitrogen

• hydrogen

Rivers and waterfall flow from _____________ areas to ________________ areas.

• high, low

• low, high

• low,base

• high, base

Which statement shows the correct water cycle?

• water vapour ----.> water----> clouds -------> rains

• water-------> clouds -------> water vapour ------> rains

• water -------> water vapour --------> clouds -------> rains

• water vapour ------> clouds --------> rains ------> water

Natural water sources are

• rain

• lakes

• seas

• springs

• rivers

How does wind helps human?

• Cause big wave

• Dry the clothes on the clothes line

• Helps to fly kite

• Cools body

• Destroy properties