Almost
all energy comes from the sun which warms our planet and makes plants
grow.

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Plants
are smart because they can use the sun’s energy not only to make
them grow, but also to make energy  stores.
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Most
plants make seeds, some of which grow into new plants. And animals
like you humans eat them - you know, wheat seeds make into bread;
maize into popcorn or cornflakes and so on. This means you get your
energy from eating plants, or by eating other animals like cows
which have fed off plants. |
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I
get my energy from eating fish...
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...which
ate smaller fish which ate shrimpy things...
...which
ate (you got it!) tiny plants called plankton. |
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This
is called a food web or food chain. |
Our
waste products eventually all go back to plants where they start the
cycle again, fuelled by energy from the sun.
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