In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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!

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 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!

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.

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.