Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

In this project children practice the scientific method while playing with puffy paint.

The project investigates how water and movement affects erosion.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Learn about nature by making your own mini moss garden.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea explores which fruit molds the fastest.

This project explores ways to prevent static electrical shocks.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea researches the effects of acid rain on plant growth.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This science fair project idea produces varying pitches of sound.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

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 biodiversity project examines the biodiversity in your own backyard.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Science fair project that determines whether mass and weight are the same or different.