Tamil Nadu Primary School कक्षा ४ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Tabulate the given food items according to the cooking methods.

Pour water from the ice tray into a kettle. Ask an elder at your home to heat the kettle and observe the mouth of the kettle when the water starts boiling.
What do you see?

Name the process which is responsible for the formation of droplets on the surface of a glass of cold drink. _______

Unscramble the words and fill in the blanks.

• ondencsaonti ______
• vaeionorpat ______
• ecippitatrino ______

Suggest some ideas to save rainwater in your school.

Water is the most ________ resource on the Earth.

_____ is a type of rainwater harvesting.

37% of our brain‛s mass consists of water.

Which state government made rain water harvesting mandatory in the year 2001?

What is needed to construct a rain water harvesting pit?

Why would living things not be able to live without plants?

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.