Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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.

Examine the effect of pressure on carbonation in soda.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this activity, your child will be challenged to make a tower using paper cups.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Using a toy race car kids create a visual model of the Doppler Effect.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea explores whether white light can be separated into different colors.

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Cleaning can be a chore, but not with this sudsy experiment!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Construct and experiment with a periscope using reflected light rays to gather an image.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

The goal of this project is to create an exciting topographical map out of dough.