In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!

In this science fair project, students make their own rain gauge to measure rainfall.

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.

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!

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.

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

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

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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

Learn about nature by making your own mini moss garden.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

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.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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