This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

Introduce your child to science with something they see everyday--their shadow!

Examine the effect of pressure on carbonation in soda.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Make a backbone model to explore human anatomy and life science.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Have your child kick off their summer vacation by making a miniature water slide!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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 interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!