This science fair project idea explores how length affects the weight a bridge can hold.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Start your toy engines -- this is going to be a fast and friction-filled race!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Help your child make a beautiful homemade sandcastle that will last!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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.