Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Slip some science into storm watching with a homemade rain gauge!

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This easy at-home experiment is a great way to "see" science.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Help your child make a beautiful homemade sandcastle that will last!