Lesson 0 of 11
Start here
Show on a big screenA steel spoon is two mirrors in one. Look in its inner side, and your face is upside down.
This is Chapter 10, Light: Mirrors and Lenses.
An image is the picture that a mirror or lens shows.
What you will learn
- The law of reflection: the leaving angle equals the arriving angle.
- Plane, concave and convex mirrors: what image each one makes.
- Light bends when it goes from air into water.
- Lenses: convex and concave, and the images they make.
Need a quick recap?
- Shadows and Reflections (Class 7): light goes straight. It is reflected, or sent back, by a smooth surface.
Stay safe
Never look at the Sun. Never use a mirror or a lens to gather sunlight.