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Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

This science fair project idea determines what household items are good conductors of electricity.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea discovers the effect of (high) heat on animal cells.

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

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Summer is a great time to work on pre-kindergarten skills that will serve your child well in her first year at school, while having some fun in the sun!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This project examines various algorithms to determine the ideal algorithm for a strategy game.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.