Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

This project determines how much the rebound rates of tennis balls change after ten games.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

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

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

In the mood for a bit of silly science? Help your child create a truly one-of-a-kind planter out of a potato head!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Figure out which fruit has the most vitamin C (ascorbic acid) in this fun science project!

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

Make frog feet sponge prints with your child for a fun and educational crafts activity.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

Make sourdough bread...and learn some colonial history and modern science in the process!

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

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!