Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

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.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.