Energy The ability to do work or cause change

Energy= Work

Where does the energy to do things comes from?

From the food that we eat

Where do we get the food that we eat?

Vegetables, fruits and crops

Photosynthesis

Photosynthesisis the process by which autotrophic

(organism that can make their own food e.g plants)organism use light energy to make sugar and oxygen from carbon dioxide and water.

Photosynthesis

http://www.growingthenextgeneration.com/http://www.growingthenextgeneration.com/agrium-games/Animation/index.htmagrium-games/Animation/index.htm

How do we measure energy? Activity :Experiment on measuring energy we get from

burning or eating.

We measure Energy in joules (J). A Joule is a very small of energy so energy is often given in Kilojoules

1 kilojoules (kJ= 1000j)