Why there are four seasons? What area of the earth doesn't get to have four seasons?  Why is it Winter in England when it is Summer in New Zealand?

LEVEL: Intermediate

You could start by searching Google and typing what causes seasons? Google will often make suggestions, like What causes the four seasons on Earth.

HOT TIP: Use the left hand column to narrow or expand your search.

The Office of Naval Research has a great page on the seasons.

For an explanation of what causes the seasons check out the BBC site. For younger children, we really like the Enhanted Learning website. It often includes diagrams and printouts to explain each topic.  

You can find more information at these sites:

• Windows to the Universe: What causes the seasons
• LearningHaven: What causes the seasons
• ScienceU
• The seasons - if you scroll you'll see a section about seasons around the world
• Seasons - this BBC page has experiments you can do to prove the earth's tilt

And, if that's not enough, Wellington City Libraries has a list of sites about seasons.