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This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Demonstrate which cooking method gets rid of the most fat.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

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.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

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

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project teaches students about wilting and browning of salad greens.

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Science fair project that demonstrates how stalagmites and stalactites are formed.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.