Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This science fair project teaches students about wilting and browning of salad greens.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

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.

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

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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!