Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea examines whether boys and girls differ in reflexes.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

In this science fair project you will make a model of a cell membrane using very simple material.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Is it a square or a circle? See if you can trick your friends with this zany science project!