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Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.