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

    12/11/20

    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.