FORCES
A force is a push or a pull. Forces can make things move, change their speed, or change their shape.
SOUNDS
Sounds is made up of vibrations or sound waves that we can hear. Sound waves travel through air, water and solid objects vibrations.
LIGHT
Light is a type of energy that makes it possible for us to see the world around us. Light comes from different sources called light sources; our main natural light source is the sun.
Rainbow Science (experiment).