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When you look around, you may see many
Computers need energy to
things. Some of these are made by human
work, just like trees need
and some of these are natural. Let us learn
sunlight to grow.
about them.
Natural and Human-Made Things
The things that are present in nature are called natural things. The things
that are made by human are called human-made things.
For example,
Dog Tree Sun
Natural things
Pencil Television Fan
Human-made things
What are Machines?
Machines are things made by human. They make our work easy. They also save
our time. Some machines need electricity to work and some do not. We use
many machines in our daily life.
8 Premium Edition-I
