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In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

I scream, you scream, we all scream for homemade spearmint ice cream!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

In this science fair project, students create their own miniature salt flats at home.

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.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This project investigates the affect of storage temperature on microwave popcorn.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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!

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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

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!