In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea determines what household items are good conductors of electricity.