This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This project examines how temperature affects the volume of gas in balloons.

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

In this science fair project, students examine how temperature affects sugar transport within a plant.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

The project researches how lubricants affect the mechanical advantage of a pulley.

This science fair project idea investigates whether plants can survive being frozen.

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

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This science fair project idea investigates the relationship between memory and age.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

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

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Engineers in training can get started with this simple wheel-and-axle construction activity.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Evaluate whether birth order influences personality.

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!

This project explores differences in people's reactions to images in color and images in black and white.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.