Let's-read-and-find-out science. Stage 2

An introduction to light and how it helps us to see profiles different kinds of light, including sunlight, firelight and electric light, and provides interactive experiments readers can perform at school or at home.

Explains the phases of the moon--the changes that seem to happen to it as it goes around Earth. Can you see the moon? Does it look like a big round ball? Or is it just a sliver of light in the sky? The moon seems to change. But it doesn't really. The moon revolves around the Earth. It takes about four weeks to make the journey, and as it travels round we can only see certain parts of it. Try the simple experiment described inside using an orange,...

Explains how earthworms eat, move, reproduce, and help plants to grow.