Compare different remedies for cooling the mouth after eating spicy food.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This science fair project examines how seeds hitchhike on animals and clothing.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This experiment tests which gender is better at catching how a magician performs his tricks.

In this science fair project, students investigate how different colors influence appetite.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

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.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Use a dichotomous key to identify plants or animals.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Construct batteries that make electricity from fruits with this fun science fair project.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Compare the ignition rates of various types of flame-retardant materials.

This experiment will explore whether fractals really repeat themselves infinitely.

This science fair project idea investigates how the shape of an object affects drag.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This experiment will explore if and where fractals can be found in the natural world.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.