This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea explores substances that cause a bubble to last longer.

Do different types of oil mix or stack? Find out in this science fair project idea!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea determines what household items are good conductors of electricity.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.