What is light like water in a pond?

Light is like water in a pond because both can move and spread out in different ways.

Imagine you're standing by a calm pond on a sunny day. When the wind gently pushes the water, ripples spread outward, just like how light moves from one place to another when it hits something. If you drop a stone into the water, it makes waves that travel across the pond, similar to how light can bend or change direction when it goes through things like glass or water.

• When light shines on still water, it reflects off the surface, just like how you see your face in a calm pond.
• If you look under the water, the light changes direction, this is called refraction, and it's like watching the waves get smaller as they go deeper into the pond.

So next time you're by a pond, remember that light behaves like water, moving, bending, and changing as it travels.