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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

This science fair project idea produces sounds by creating vibrations using different objects.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this design challenge, your child will make a bottle rocket using typical household items.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

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

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Science fair project that creates fog using bottles of hot and cold water.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This project involves the development of a website using free software online to promote the value of science.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.