The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

This science fair project idea uses the process of chemical weathering to change a mineral.

Discover whether the color of text correlates with ease and speed of reading.

Learn all about balance and motion as your child designs a corn maze!

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Science fair project that uses distillation to convert salt water into fresh water.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea investigates food preference of birds.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Help your child celebrate the summer and the sun by making a sandy seascape.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.