Test whether plants can grow without sunlight and water.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project teaches students the differences between fruits and vegetables.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this science fair project, students create their own miniature salt flats at home.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Determine if gender affects the ability to identify different smells.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.