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How powerful is the reaction between baking soda and vinegar? Find out here!

Baking Soda and Vinegar Balloon

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Turtle Habitat

In this science fair project, students create their own miniature salt flats at home.

Create Your Own Miniature Salt Flats!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

How to Make an Anemometer

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

How Do Seeds Hitchhike?

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

What Lives in the Air Conditioner?

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

How Do Weather Conditions Affect How Fast a Puddle Evaporates?

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

The Psychology of Feeling Watched

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Mystery Powders

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Erosion Experiment

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Animal Vision: Ocelli, Compound Eyes, and Camera Eyes

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Simple Machines

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

The Effect of Heat on Rubber

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

Water Salinity

Science fair project that examines condensation and the conditions needed in order for dew to form.

Dew Point, Humidity and Weather

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Light Absorption and Color Filters

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

Cats & Dogs

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.

Halloween STEM Building Challenge

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

How do Plants Absorb Water?

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

The Photosynthesis Process and the Importance of Leaves

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Principles of Air Pressure

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Nice Shades! How Light and Color Affect Sight

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Everyday Darwin: Create a Nature Journal

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

The Answer is Blowing in the Wind

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Catalase and Hydrogen Peroxide Experiment

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Heat Transfer Experiment

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Pineapple Enzyme

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Can New Plants Be Made Without Seeds?

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Preservatives in Food

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

Reaction Time

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