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.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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

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

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

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

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.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

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.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

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

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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

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

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

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.