This science fair project explores how osmotic pressure forces water through the root up into the plant.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Examine the effect of pressure on carbonation in soda.

This science fair project idea investigates if fats add to the flavor of food.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This science fair project idea provides evidence that air is everywhere and takes up space.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!