Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

Challenge your science student to record a shadow over the course of a day and make the connection between shadows and the time of day.

Get outside and take a stroll! This leaf guide will give your little one a great learning experience the next time you're out at the park.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

Discover the symbiotic relationship that helps this angler fish find his next meal!

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

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

How do you know when it's wintertime? Have your child complete this winter writing prompt to exercise writing skills and reinforce seasonal knowledge.

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.