CBSE Class 4 EVS Our Sense Organs Worksheet

Ln 5 : Where do babies come from ?

Fill in the blanks :

1. The process by which living beings produce their own kind is called _________________________________.

2. Animals that give birth to young ones directly are called ______________________________.

3. Viviparous animals also called as ____________________________.

4. A bird lives in a _____________________________.

5. Animals that lay eggs are called ___________________________________.

6. _____________________ a child means to become legal parents to that child.

7. Only birds and mammals display a great sense of _________________ case.

8. All ______________ produce young ones of their own kind.

9. All __________________ lay eggs which have hard brittle shells.

Write ‘True’ or False :

1. The young ones of mammals develop inside the mother’s body [ ].

2. The whale and dolphins which live in water are mammals.[ ].

3. Fishes, Frogs and reptiles care for their young ones.[ ].

4. Pigeon is a viviparous animal.[ ].

5. All birds lay eggs which have soft shells. [ ].

6. Mayfly lives only for a few hours as an adult.[ ].

7. The mammals and birds take much care of their young ones. [ ].

8. Bats that fly in the air are mammals.[ ]

Name the following :

1. Examples of mammals
a) _____________________________ b)_____________________________

2. Two animals that do not acre for their young ones.
a) _____________________________ b)_____________________________

3. Examples of oviparous animals.
a) _____________________________ b)_____________________________

Match the following :

1. Human beings       a) Puppy

2. Cow                      b) Oviparous animal.

3. Dog                      c) Viviparous animal.

4. Birds                     d) Calf

Ln 6: Our Sense Organs

Fill in the blanks :

1. Blind people can read with the help of the _______________________script.

2. Blind people read by using their ____________________ over raised dots.

3. We should not touch or play with _____________________ things.

4. We should not make fun of people who are ____________________.

5. Braille script is a system which use _________________________.

6. Children have about ________________ taste buds.

Write True or False :

1. We have six sense organs. [ ]

2. We should make fun of people who are differently abled. [ ]

3. We should touch or play with sharp things.[ ]

4. Children have about 10,000 taste buds. [ ]

Ln 8 : How we get food

Fill in the blanks :

1. _____________________ is known as the ‘land of spices’.

2. ____________________ grow food.

3. ___________________ catch fish.

4. Dairy workers gather _______________________.

5. Spices add ______________________ to our food.

6. _______________________ are unwanted plants.

Write True or False :

1. Weeds are useful. [ ]

2. Salt is a spice . [ ]

3. Fisherman grows food. [ ]

Ln 10 : Water Sources

Fill in the blanks :

1. ____________________________ is the ultimate source of water on earth.

2. Rain water that seeps into the earth is known as _____________ water.

3. ___________________ at the bottom of the well help to filter the water.

4. ____________________ is the only kind of water which can be used for drinking.

5. A small collection of water is called a _________________.

6. ____________________ uses electricity to draw out underground water.

Name the following :

1. Large water bodies
a) ____________________ b) _____________________

2. Small bodies of water.
a) ___________________ b) ______________________

3. Three sources of water.
a)_____________________b) _____________________ c)______________________

4. Chief source of water. _________________________.

5. Sources provide us with underground water.
a)____________________________ b) _____________________ c)_______________________

Write True or False :

1. Lakes are bigger collection of water than pond. [ ]

2. Sea water is safe for drinking.[ ]

3. A tube well uses electricity to draw out underground water.[ ]

4. We get filtered water from a tube well.[ ]

5. Water from open well is safe for drinking.[ ]

6. Underground water is brought out for use by hand pumps, wells and tube wells. [ ]

Ln 11 : How water gets dirty

Fill in the blanks :

1. ORS stands for __________________________.

2. A large mass of water is called ____________________.

3. When we suffer from ___________________ ; we lose a lot of water from our body.

4. ____________________ is the holiest river of the Hindus.

5. _____________________ is the longest river in India.

6. _____________________ is called the Ganga of the south.

7. Brahmaputra together with the __________________, it forms the world’s biggest delta in West Bengal.

8. __________________ is saline.

Name the following :

1. Name five famous rivers of India
a)__________________________ b) ___________________ c) ________________
d)_________________ e) ____________________ f) __________________

2. Name three diseases which is caused by water pollution.
a)__________________________ b) _____________________ c) ________________ ___

3. Name five animals that live in sea.
a)__________________________ b) _____________________ c) ________________ ___
d)__________________________ e) _____________________

Write True or False :

1. Animals should be bathed in canals or rivers. [ ]

2. Water should not be boiled or filtered before drinking. [ ]

3. An octopus lives in the pond.[ ]

4. Indus was known as Sindhu in ancient times.[ ]

5. A person who is having loose motions and vomiting should drink ORS. [ ]

6. Pipes should be checked at regular intervals. [ ]

Ln 12 : Evaporation

Fill in the blanks :

1. The heat of the __________________, dries up the puddle.

2. ______________________ is taking place in nature all the time.

3. ________________ is a process in which water changes into water vapour due to heat.

4. ____________________ is a process in which water vapour changes to water due to cooling.

5. _________________ cools down to form tiny drops of water.

Colour and Label the Water Cycle :

Ln 16 : How they learnt their skills

Fill in the blanks :

1. A ______________________stitches clothes.

2. A ______________________ makes pots.

3. A _____________________ mends shoes.

4. A _____________________ makes furniture.

5. An __________________ makes beautiful patterns on fabrics.

6. ITI stands for ____________________

7. A jack is used by _______________________

8. An owl is used by a ________________

9. The tools of a ____________________ are sewing machine, scissors and needle.

10. A potter makes pots with the help of ____________________.

11. The tools of an __________________ are needle and circular wooden frames.

Name the following :

1. The tools used by the tailor.
a) ________________ b) _______________ c ) __________________

2. The tools used by an embroider
a)________________ b) _______________

3. The tools used by the cobbler.
a) _______________ b) _______________

4. The tools used by the carpenter
a)_______________ b) _______________