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.

In this experiment, your middle schooler will chart the effects of oil on a feather in order to grasp the tragic effects of oil spills on wildlife.

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

Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!

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.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

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!

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

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!

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.

Make a lei and bring a touch of the tropical lifestyle into your home!

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.

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.

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

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 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?

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

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

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