Mirror: Image Formation – Basic 3 Basic Technology Lesson Note (First Term)

Properties of Light

Light has special qualities:

• Light travels in straight lines

• Light can bounce back when it hits something

• Light helps us see everything around us
• Light moves very fast

What are Plane Mirrors?

A plane mirror is a flat, smooth glass that shows your image. Examples:

• Bathroom mirror

• Car side mirrors

• Mirror in your mother’s handbag

Reflection of Light

When light hits a mirror, it bounces back to our eyes. This is called reflection. The image we see in the mirror looks exactly like us but appears to be behind the mirror.

Exercise 1:

1. Look in a mirror and wave your right hand. Which hand waves back? _______
2. Name 3 places you see mirrors: _______, _______, _______
3. What happens when you shine a torch on a mirror? _________