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Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Do you think heat can affect a plant's growth rate?

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

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This project examines which style of central-air system filter traps the most particles from the air.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

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

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Use a dichotomous key to identify plants or animals.

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

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This experiment will explore the best way to create a perfect soft-boiled egg.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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.