This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

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

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

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

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.