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

Give your budding young observers a chance to discover simple machines at use in their own home.

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

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea experiments with spinning color wheels and optical illusions.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

In this science fair project you will make a model of a cell membrane using very simple material.

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

Learn all about balance and motion as your child designs a corn maze!

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

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

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

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

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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.

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