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

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

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.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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 whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

The purpose of this science fair project is to build a basic radio.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Find out which kind of bubble wrap fares best when put in impact.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

This science research project challenges students to think of more effective lobster farming methods.