Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

In this experiment we will be determining whether birds prefer certain colors of seed.

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

This science fair project idea determines the probability of a coin landing heads or tails.

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Create a bee garden to help shelter bees in your area.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

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

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

This science fair project idea investigates how magnetism can defy the force of gravity.

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

This science fair project idea explores whether color affects a person's emotional state.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

What happens when colored beams of light mix? You might be surprised.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

In this project students experiment with making music using only glasses of water.

This science fair project idea investigates whether plants can survive being frozen.

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