This science fair project idea identifies trees using a dichotomous key.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

This science fair project idea designs safe bicycle routes using GPS.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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.

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

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

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

This project involves the programming and development of a 3D Rubik's Cube application using C++.

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

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

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