This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Determine whether the relationship between a personâs armspan and height are genetic.

This experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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

In this science fair project, young children notice and track changes in trees throughout the year.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Learn about the factors that influence group conformity.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

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

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

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.