In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

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

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!

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

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 science fair project teaches students about wilting and browning of salad greens.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Here's a science activity to help your child investigate how seeds are designed to travel.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.