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

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea compares biodiversity between drops of water.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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.

This science fair project idea determines what household items are good conductors of electricity.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

This science fair project will help students learn about non-vascular plants, such as mosses.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Learn about nature by making your own mini moss garden.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!