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.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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

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.

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.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

In this project, a basketball containing different psi is dropped to see how well it bounces.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.