This week you are to research about solar and lunar eclipses, the phases of the moon, and the cause of seasons.  There are links and videos on this page to help you with your research. 
Don't forget there are also links available on the Science Resources tab.  

Seasons - Why do we have them?

Let Bill Nye tell you about the Seasons in this video.

Here is another video that might help you understand the seasons.

Here's what NASA has to say about the cause of seasons.

Here are some common misconceptions about seasons...none of them are true!

Earth is closer to the Sun during summer and farther away during winter.  NOPE
Seasons happen at the same time everywhere on Earth.  NOPE
Seasonal characteristics and change are the same everywhere on Earth.  NOPE

Phases of the Moon - Why, why, why??

What does Bill Nye have to say about the moon and its phases?

If you want to hear about it from Mr. Parr, here's his musical version.

Eclipses - Both the sun and the moon have them...WHAT?

Weird Science gives a good description of what's happening. 

NASA explains the lunar eclipse in this video.

But what about a solar eclipse?  Here is a video to help explain a solar eclipse.