Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Help your child make a beautiful homemade sandcastle that will last!

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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 child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

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

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this activity your child will create their very own marble maze!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.