How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

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

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

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

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

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.

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!

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

Allow your first grader to get his artwork outdoors this summer by letting him create a garden art box for his arts and crafts supplies.

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.

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

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 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!

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

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

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.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this project children practice the scientific method while playing with puffy paint.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!