What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Make edible amber fossils with your second grader to explore the fascinating world of science!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This project compares the strength of one, two, and three-ply toilet paper.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.