This biodiversity project examines the biodiversity in your own backyard.

In this experiment we will be determining whether birds prefer certain colors of seed.

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.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea explores whether talking to a plant will help it grow.

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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Discover whether cold or hot water from the faucet will boil faster on the stove.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea investigates how color affects temperature.

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

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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