This classic children's game demonstrates how sound travels through air vs. through a solid.

This project determines what category of person is most likely to be ticklish.

Hunt for natureâs treasure, the many different products made by trees!

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea explores how length affects the weight a bridge can hold.

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

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

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

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.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Use pepper and soap to discover some fun facts about the properties of water.

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!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!