This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Slip some science into storm watching with a homemade rain gauge!

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?

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Use pepper and soap to discover some fun facts about the properties of water.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.