We can classify the main energy
sources into two groups:
Renewable energy sources. These sources
will never run out. We can use them again and again, for example, the Sun,
water and wind.
Showing posts with label Energy and forces. Show all posts
Showing posts with label Energy and forces. Show all posts
Monday, 13 April 2015
ENERGY
We need energy for everything we do.
There are many different forms of
energy:
- Electrical energy is the energy that makes machines in our homes work.
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