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What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

This project examines whether people's taste perception is influenced by what they see.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

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

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.

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!

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

In this activity, your child will be challenged to make a tower using paper cups.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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.

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

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this activity your child will create their very own marble maze!

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.