Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Will the shape of an ice cube impact how fast the ice melts?

Find out whether a longer airplane will fly farther or a wider paper airplane.

Use pepper and soap to discover some fun facts about the properties of water.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

Teach your preschooler some physics that she can relate to with this fun and simple activity!

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.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

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.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

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

Examine the effect of pressure on carbonation in soda.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

This project examines the concentration of dissolved oxygen in water, with and without oil.