In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

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

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Is your child a young ornithologist in the making?

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

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

Make a spring collage with your child to get them outside and those creative juices flowing!

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!