Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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?

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?

This simple experiment serves as an introduction to the greenhouse effect.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

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

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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.

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 science fair project idea experiments with spinning color wheels and optical illusions.

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

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

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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