Lesson

Reflection and Mirrors

Students learn how mirrors reflect light and why the bright side and dark side matter.

Reflection and Mirrors

What students learn

Students learn that reflection happens when light bounces off a surface and travels in a new direction. Begin with to see the idea in action.

Why it matters

Mirrors help us see ourselves, but the same light behavior also matters in windows, glasses, and shiny objects. shows that the amount of light around a mirror changes what we see.

Learn the idea

A mirror does not create light. It reflects the light that hits it, which is why we can see images in it. helps students describe how the image appears.

Try it

Ask the student to hold a mirror and tilt it until a light spot moves across a wall or ceiling. Then ask them to explain what changed and where the light went.

Parent guide

Use a small hand mirror or another shiny surface if a mirror is not available. Keep the focus on describing what the child sees, where the light goes, and how the image changes as the mirror moves.