This science fair project idea demonstrates sonar mapping of the ocean floor.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

This science fair project idea explores how water and ice can change the form of rocks.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This project determines what category of person is most likely to be ticklish.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

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.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

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

This project examines whether sugar substitutes are as sweet as real sugar.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates how different disinfectants work in killing germs.

Explore the belief in astrology as a predictive system.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!