JSS 3 Basic Science

A lesson on the meaning and importance of light.

Find out the reason why a river or swimming pool appears to be shallow.

Learn the difference between real and virtual images.

Find out how white light can be separated into different colours.

Learn the reason why a spoon appears bent inside a cup of water.

Learn about the reflection of light on smooth and rough surfaces.

Learn how to do simple calculations on efficiency of a machine.

Learn how to do simple calculations on mechanical advantage of a machine.

A lesson on the relationship between velocity ratio and mechanical advantage.

A lesson how a machine makes work easier.