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

In this project children practice the scientific method while playing with puffy paint.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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

This science fair project idea investigates how the shape of an object affects drag.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

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.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how: