Tamil Nadu Primary School Class 4 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

Fill in the blank by rearranging the letter in the bracket.

_____ is a primary producer (tanpl).

Take two potted plants. Keep one in sunlight and the other in a fully covered box. Water them regularly. After a week observe the plants.

Before a week	After a week

Stamen contains _______ grains.

Match the animals with their group behaviour

Lives alone	Lives as part of a group

Observe any animal in your surrounding and write a creative short story about it.

Fill in the missing words.

Butterfly has three body parts like all other insects the ___________, the __________ (chest), and the ___________ (bottom). The butterfl y has four _________ and six legs, attached to the throax. Butterfly uses its two ___________ to smell.

Place a few sugar cubes in a plate.
After some time, you can see some ants visiting the plate.

The group of owls are called ______.

______ lives in hives.

Why do birds build nests?

List out any three animals that live in groups.

Why do birds fly in ‘V‛ shape?

Why do animals live in groups?

Take a squeezable bottle. Make a hole on the lid and close the bottle tightly. Bring the bottle near your face and press the bottle. What do you feel?

______ don't build individual nests.

Animals like elephants, squirrels do dream during sleep.

Match the following:

Do all birds build nest?

Do all birds build nest?

Though green heron cannot swim, it stills cats fish from the water. How?