Energy

Welcome to class.

Anything that is capable of doing work has energy. A person pushing a car along a road is doing work on the car. The person is said to possess energy which he exercises by making the car move some distance.

Also, just like a student running around the school field has energy. He or She is capable of moving his weight some distance. A footballer player, a farm labourer, a palm wine tapper climbing a palm tree and a mango tree all possess energy.

Both work and energy are measured in the same unit, the joule.

Energy is the ability to do work. We need energy to wash our clothes, work in the farm, carry load, cook our food walk and bathe.

The Use Of Energy

  1. A woman washing clothes
  2. A girl sweeping
  3. boy lifting a box
  4. A boy drawing water from a well

Evaluation

  1. Move your chairs from one place to another. If you can do this, it shows that you are expressing some energy
  2. Explain what you now understand by energy?
  3. Energy is measured in ……………..?

We have come to the end of the class. If you have any questions ask using the comment box. See you in the next class.

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