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This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Cleaning can be a chore, but not with this sudsy experiment!

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Learn how different types of soil affect how animal tracks form in this experiment!

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

A science scavenger hunt can be a fun way to learn about science. Test your child's knowledge of scientific terms with this science scavenger hunt.

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!

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!