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This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

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.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Will the shape of an ice cube impact how fast the ice melts?

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.