How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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

Here's how you and your teen can stage your own formal debateâbeyond arguing why chores are unethical! Formal debates improve teens' critical thinking skills.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

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

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

Encourage your child to jump into sea creature science by creating her own colorful "socktopus" sculpture.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

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

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

This science fair project idea identifies and understands adaptations in birds.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.