This science fair project idea explores how length affects the weight a bridge can hold.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This goofy scramble book activity will bring laughs...but also some good, solid comprehension skills too!

This hands-on activity practices skip counting, a key first grade math skill. But it's silly fun!

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Use real elastic to help your kindergartener learn to "stretch" and blend letters to read words.

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

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.

This science fair project idea demonstrates that plants give off water.

Challenge your kindergartener to finding out if a coin toss is really fair by conducting this coin toss experiment.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea determines which method of hand cleansing is the most effective.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this science fair project, young children notice and track changes in trees throughout the year.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

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

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

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

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

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.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Kids are acutely aware of what's "fair" and what's not. Here's a quirky way to teach your first grader the importance of voting and democracy.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.