Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

Get to know Earth's star with with this diagram and vocabulary worksheet!

Many legends told by ancient people have characters that you can find as star formations called constellations! This one is Andromeda.

Here's a great introduction to five famous astronomers for kids. See who got the star party started with this worksheet.

Use this cool 2-page worksheet to make your own big dipper clock!

Quite possibly the most famous constellation, the Big Dipper is a small part of Ursa Major, the big bear constellation.

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

Test your knowledge of the periodic table of the elements with this quiz page!

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

Help your child learn about facts and opinions in this animal-themed worksheet! Students will read sentences and decide whether they express facts or opinions.

Construct your own map with this hands-on science worksheet for second graders!