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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This project examines whether people's taste perception is influenced by what they see.

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.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Start your toy engines -- this is going to be a fast and friction-filled race!

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.