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Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Find out which type of sponge holds the most water.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Investigate which substances are most effective at removing salt from water.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

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.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

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

Test whether cutting up meats will make it cook faster than just cooking it whole.

Examine how a battery can be made from everyday materials.