Science: Grade Four topics
My Body and
Digestion
Our body
works like a machine. As a machine needs energy to run, our body also needs
energy to work.
A machine
gets energy from fuel or electricity. In similar way, our body gets en...
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.
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 .
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
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