Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project researches the most effective method to cut an onion and stay tear-free.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

This science fair project idea explores the different properties of matter.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

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.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

This science fair project idea tests the efficiency of short term memory.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Determine how we can separate the components of a solution

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This science fair project idea explores the different properties & interactions of sugar molecules.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Determine whether the application of Febreeze will lower the bacterial count.