Course Content
Lesson 1 – Human Body : The Food We Eat
Lesson 3 – Human body : The Digestive and Excretory systems
Lesson 4 : Plants in the Surroundings and Environment
Lesson 6 : Adaptation in Animals
Lesson 8 : Materials and Solutions
Lesson 10 : Measurement
Lesson 11 : Push and Pull
Lesson 12 : Friction as a Force
Class 4 – EVS
About Lesson


Answer the following:

1. Give two examples each for the three states of matter.

A. Solid: Stone, table

     Liquid: Water, milk

      Gas: oxygen, air

2. List the gases found in air.

A. Nitrogen, oxygen, carbon dioxide, water vapour

3. Which gas is necessary for the water cycle?

A. Water vapour in the air is necessary for water cycle.

4. Which organs do frogs breathe through?

A. Frogs breathe through lungs when on land and through moist skin when in water.

5. What are spiracles?

A. The tiny pores on insects body through which they breathe is called spiracles.

6. How do humans breathe?

A. Humans breathe through lungs. We inhale through nose, air reaches the lungs. In lungs oxygen is absorbed and carbon dioxide is exhaled.