Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

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

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

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

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Using a toy race car kids create a visual model of the Doppler Effect.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

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

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

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

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

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

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.