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


6. What is mimicry? Give an example of an animal showing mimicry.

A. The appearance of an animal that enables it to look like something else is called mimicry. eg: Stick insect looks like a stick.

7. Define camouflage.

A. The natural characteristic of an animal that helps it to blend in with its surroundings is called camouflage. eg: change of colour of chameleons body.

8. List three adaptations that are seen in carnivorous animals. 

A.1. They have sharp tearing teeth.

   2. They have sharp claws on their feet.

   3. They have sharp curved beaks.

9. Give two adaptations seen in herbivorous birds.

A. 1. They have strong beaks. (parrot)

     2. They have long , thin beaks. (sunbird)

10. Give three steps that you can follow to protect the animals around you.

A. 1. We have to stop cutting trees around us as it is the natural habitat of many animals.

    2. We should not make the forest dirty by throwing away things around.

    3. We should not buy items that are made from animal skin, hair or other parts of animals.

11. Name two animals that have flippers.

A. Penguin, turtle

Text book exercise:

Page: 61

A. 1. d      2. c      3. b        4. c

B. 1. polar bear       2. frog          3. crow      4. crow     5. fish

C. 1. winter sleep and hibernation

     2. migration and seasonal movement of animals

     3. light and hollow bones and aerial

     4. carnivore and flesh eating animals.