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

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Allow your first grader to get his artwork outdoors this summer by letting him create a garden art box for his arts and crafts supplies.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Help your child plant a "tea garden": a garden made of herbs for making teas.

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

The project investigates how water and movement affects erosion.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!