Basic science Pry 2

Wind is air in

• Road

• Motion

• Race

• Fire

Wind is produced by the uneven heating of the Earth's surface by the

• Sun

• Moon

• Fire

• Water

Air is

• A mixture of gases

• A wind sleeping

• Storm

• Oxygen and water

Air can cause harmful effects on both plant and animals

• True

• False

• Not sure

• Not really

Contaminated air can cause

• Heart disease and lung cancer

• Malaria

• Typhoid

• Elephantiasis

Which of the following is very harmful for plant

• Carbon dioxide

• Sulphur dioxide

• Monoxide

• Chlorine

Water is made up of

• Hydrogen and helium molecules

• Lithium and oxygen

• Hydrogen and oxygen

• Dirt's and stone

Water is needed in

• Agriculture

• Industry

• Cooking

• Washing

One of these is not a usefulness of water.

• Drinking

• Washing

• Cooking

• Dancing

Which of the following is not a source of water

• Rain

• Tap

• River

• Road