This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

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

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

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

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

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 this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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.

This science fair project idea demonstrates that plants give off water.

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

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

Using a toy race car kids create a visual model of the Doppler Effect.

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!