1. Light

2. Light sources
• Think of 4 light sources

3. Properties of light
• Think of 3 properties of light
1. Light travels in straight lines from a light source to your eyes
2. If something is in the way you get a ……………………………
3. Light travels very fast.
186,000 miles a second

4. How we see
• Explain the two ways we can see
something
1. Light may come directly from the source to your eyes
(Looking at a light bulb)
2. Light bounces off objects into your eyes
(Looking at the moon)

5. What do mirrors do ?
A mirror reflects the light.
The light bounces off the surface and into
your eyes.

6. How do these mirrors work ?

7. B
The eye
A
C

8. Iris The eye
Lens
Pupil

9. Making shadows
• Think of five materials to make a good
shadow with.
• Think of five materials that would make a
bad shadow.

10. Making shadows
• Materials that make a good shadow are
called …………….
• Materials that make a bad shadow are
called …………………..
• Materials that some light can pass through
are called………………….