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

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!

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.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

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!

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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!

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

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.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.