Build a solar oven

Build a solar oven

Cook a tasty treat using sunlight!
Chocolate, lots of chocolate

Chocolate, lots of chocolate

Leftover chocolate? Try this.
Can you freeze a bubble?

Can you freeze a bubble?

When it's cold outside, try this...

Say cheese!
What do you get if you mix vinegar and milk?

How do animals stay warm in winter?
It's cold outside. How do animals keep warm?

Singing Rod
Can you make aluminium sing?