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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.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

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 examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

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

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

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

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.