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

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.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

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

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.

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

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

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

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

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!

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

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

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.

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

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.

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.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

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

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

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

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.