In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Here's a pressed leaf card project that puts science and writing together for your second grader.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea determines which method of hand cleansing is the most effective.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This activity allows your kindergartener to translate what they observe into a beautiful poem.

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.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.