Learn Class 1 Science - Air and Water

Air and water are natural resources that are essential for our survival. We cannot live without air or water.

Air

Air is present everywhere around us. We cannot see the air with our eyes but we can feel its presence.

Uses of air

  • We use air to fly kites and fill tires for vehicles.
  • Fire needs air to burn.
  • Air is necessary to dry wet clothes.
  • Windmills need air to move.
  • It helps to move sailboats.

Water

Water is a significant natural resource, and it is required for all living things to exist. Human beings need water to live and grow. Plants and animals also need water to survive.

Sources of water

The vital source of water is rain. The rainwater fills the seas, oceans, and lakes, and we use this water for various purposes. Many living things live under this water.

The rest of the water seeps into the ground. This water is called groundwater. We can draw groundwater by various methods like wells, hand pumps, etc.

Uses of water

  • We need water to drink and prepare food.
  • We need water to bathe.
  • We need water to wash clothes.
  • We need water to wash utensils.

Learning Videos for 1st Grade Science - Air and Water

Air and Water Sample Questions for Class 1

Question 1

Which dish will contain more water after three hours?
A. Dish A
B. Dish B
C. Dish AB. Dish B
D. Dish AB. Dish BC. Water will remain same in both the dishes

Question 2

The process of transformation (change) of ice cubes into water is known as:
A. Freezing
B. Melting
C. Condensation

Question 3

The water used in washing fruits and vegetables can be reused for:
A. Watering plants
B. Cooking food
C. Washing hands and face

Question 4

Which activity makes minimum usage of water?
A. Drinking water
B. Flushing toilets
C. Bathing

Question 5

Which step best describes the process of evaporation?
A. Step 2
B. Step 1
C. Step 2 B. Step 1
D. Step 2 B. Step 1 C. Step 3