Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

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

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Do you think heat can affect a plant's growth rate?

This science fair project idea explores the egg's thin membrane.

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

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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.

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

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

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 investigates if fats add to the flavor of food.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.