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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?

Sizing Up Marshmallows

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Parachutes

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Pruning Tomato Plants

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Design Challenge: Building a Bridge

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

3D Animal Cell Model

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

When Seeds Explode

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

Cats & Dogs

This science fair project idea  investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Measuring Magnification

Using a toy race car kids create a visual model of the Doppler Effect.

A Visual Model of the Doppler Effect

This science fair project idea examines which type of insulation holds in the most heat.

Best Insulators

This science fair project idea investigates the difference in reaction times between boys and girls.

Reaction Time

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Smile!

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

How to Stop Soda From Exploding

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

Halloween Potions

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Does Hot Water Freeze Faster Than Cold Water?

Test your friends to find out if you can replicate the placebo effect's incredible results.

The Placebo Effect

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Drum Size and Pitch

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Easy Rhyming Words

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Design Challenge: Making a Boat

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Get Cracking

Find out whether a longer airplane will fly farther or a wider paper airplane.

Does A Longer Paper Airplane Fly Farther than a Wide One?

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Folding Paper

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Don't Rock the Boat

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Perplexing Pendulum

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Upside-Down Plants

In this design challenge, your child will create a parachute for a small toy using typical household items.

Design Challenge: Making a Parachute

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old &ldquo;why&rdquo; questions. As you walk with your child, you can encourage them to ask questions.

Inspire Simple STEAM Exploration

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

To Leaf or Not to Leaf 

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

All About Air Pressure

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Growing Dried Beans

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