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.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

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.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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

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

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.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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

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

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

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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 activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.