Can you complete the 'Moonsaic'?
Have you noticed that the Moon doesn't always look the same. Sometimes we can see the full face of the Moon and it becomes the brightest object in the night sky. At other times, it appears as a just small sliver in the sky.
You have probably seen the Moon in the sky but have you ever studied it in detail?
The Moon is the brightest object in the night sky when its whole face is showing. This only happens at full Moon. So why isn't it always a full Moon?
The level of the sea rises and falls about 2 times each day. We call these changes tides. But what causes them?