This science fair project idea determines if the color of light affects the growth of plants.

In this fun experiment, we'll find out how color affects heat absorption!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

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

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Test your friends to find out if you can replicate the placebo effect's incredible results.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

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

Make a backbone model to explore human anatomy and life science.

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

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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