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

What do you do when someone touches you and you feel uncomfortable?

Which organ controls thinking, speaking, and learning. Write its three important parts.

Find the odd one.

brick, coir, silk cloth, pine apple

Find the odd one.

Umbrella, sponge, rain coat, jerkin

Materials which can be compressed or cut easily are called _______.

Gold and diamond are the examples of _________ materials.

Materials which can be bent or stretched easily are called ______.

We cannot compress, cut or bend the rough materials easily.

Look at the pictures and identify the materials by which they are made of:

(paper, clay, glass, wood, plastic, metal rubber, wax

____________	____________	____________	___________	_____________
____________	____________	____________	____________	____________

Match the objects that are made of the same material.

A	B	C

Write whether the given materials are hard or soft.

Sand paper is a good example for smooth materials.

Sort the given objects as rough or smooth.

Test the flexibility.

Give one plastic scale and a wooden scale to the students. Ask them to bend. Tabulate their observation (bends, does not bend).

When can you say a material is waterproof material?

________ is said to be done when a force is acting on it.

Mention whether work is done or not in the following activity.

Primary source of energy for the young ones of some animals is ______

Vitamin present in milk that helps us to maintain our bones is

_______ is a raw food.