Sources of Light

LIGHT_Reflection and Refraction

REFRACTION 

When  light goes from air to water and its direction changes.

REFLECTION

When light hits an object and the rays reflect in the same direction.

HOW DO WE SEE COLOURS?

If an object looks green, it is absorbing every colour except green. The colour we see is the colour reflected.

ENERGY

Why some objects float and others sink?

The bracelet sinks because it has bigger density than water.
The ball floats because it has lower density than water.
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PROPERTIES OF MATTER

ORAL PRESENTATION_MY FAVOURITE ANIMAL

Make a fact file about your favourite animal and present it to your classmates!

by M.T (4th Primary)

     You can use this table to prepare the oral presentation:

3rd and 4th Primary