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

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

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.

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

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

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

Find out which type of sponge holds the most 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.

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

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.

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.

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?

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

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

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.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

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.

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

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

The project investigates how friction affects motion by using different surface textures.

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 experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

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

This science fair project idea compares the mass and density of objects.

The project investigates how water and movement affects erosion.