Level 2: Light and shadow

Waves, sound and light · level 2 of 8 · rough age 7-8 (a guide for parents; anyone can start anywhere)

Where does light come from, and how does it get to your eyes? This level finds the things that give out light, shows that light travels in straight lines, makes shadows bigger and smaller, and plays with mirrors. At the end you stand in the sunlight of Mars, under a smaller, dimmer Sun.

Lesson	You will be able to
Light sources	Sort things that give out light from things that only reflect it
Light travels in straight lines	Show that light goes in straight lines
Shadows	Explain how a shadow forms, and make one bigger or smaller
Mirrors	Use a mirror to bounce light, and explain mirror writing
How we see	Trace the path of light from a lamp, to a book, to your eye
Sunlight on Mars	Compare the Sun and sunlight on Mars with Earth's

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