Investigate Day and Night
On Earth, night follows day and day follows night. But why?
Complete this fun investigation to find out!
Measure the Sun's Rotation
Our Sun Quiz
The Sun is our closest star and the centre of our Solar System. However, it is only one of several billion stars in our galaxy.
Why Do Shadows Change Over Time?
Have you noticed that your shadow changes over time? The cartoon on this page shows why shadows change during the day.