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

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.

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

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

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

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

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

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.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

In this project students experiment with making music using only glasses of water.

Take a dive into the candy jar with this yummy science experiment.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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