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

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

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

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Create a self-portrait from natural materials in this collage craft activity!

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

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

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

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

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

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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.

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.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

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.

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.

Is your child a young ornithologist in the making?

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

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

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

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

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

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.