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The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Explore the neural and mental mechanisms at play in mental imagery.

The objective of this science project is to determine the length of time for different seeds to germinate.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Determine which video game elevates the heart rate best and burns the most calories.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this science fair project, young children notice and track changes in trees throughout the year.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

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

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This project examines which style of central-air system filter traps the most particles from the air.

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

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

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

The project researches how lubricants affect the mechanical advantage of a pulley.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?