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Science: Grade Four

My Body and Digestion

Our body works like a machine. As a machine need energy to run, our body also needs energy to work. 

A machine gets energy from fuel or electricity. In similar way, our body gets ene...

Food and Nutrition

All living being needs food. Food gives us energy. Food gives strength to do different work. Food helps us to grow. Food protects us from diseases. Without food no living being can survive.

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Plants and Roots

Plants are living beings as we are. Plants grow and respire. Plants also need air to breathe. Plants also need water and food. As human or other animals cannot live without food, water and air, pla...

Flowers and Fruits

Flower is the most beautiful part of a plant. Most of the flowers are colourful. Flowers has pleasant smell. Flowers attract the insect and helps in reproduction. Flower grows and turn into fruit. ...

Plants Around Us

We see different types of plants around us. Plants are very important for us. Plants give us food to get energy and to do work. Plants give us oxygen to survive. Plants give us wood to make home an...

Birds and Beaks

Bird is one of the most beautiful creatures of the world. We see different types of birds around us. They are different in colours, shapes and sizes. Parrot, sparrow, pigeon, swallow, eagle, vultur...

Need and Conservation of Water

Water plays very important role in our lives. All living things need water to live. There can be no life without water. Water is found only on one planet in the whole universe that is our earth. Be...

Water Pollution

Water is essential for all living beings. None can live without water. There can be no life without water. Plants cannot grow without water. Animals cannot live without water.

We get water...

Insects

Animals having six legs are called insects. There are millions of insect present on the earth. Insects have different types of shapes and sizes. Generally insects crawl but some of them can fly suc...