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Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Lactose and Lactase: Exploring Enzymes as Catalysts

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Circumference of the Earth in Shadows

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Growing Crystals

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Seafloor Spreading Model

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Build an Insect Model

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Example of Newton's First Law

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Decomposition Rates of Biodegradable Materials

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

Find out whether putting something on top of a plant will inhibit its growth.

Will A Plant Still Grow Even When You Put Something On Top Of It? 

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

Color and Heat Absorption

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold? 

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

How Does Water Travel Up the Root of a Plant?

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Windmill Model Science Project

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The Role of Fat in Food

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Third-Class Levers in the Human Body

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

Like Oil And Vinegar

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Soil Space: A Crowded Science

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Candy or Medicine?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Geology 101

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Series and Parallel Circuits

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Air Density, Convection, and the Movement of Air Molecules

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Design Challenge: Making a Catapult

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How Much Sugar?

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Design Challenge: Gumdrop Towers

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Seedy Situation

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

True or False? The Lying Experiment

Find out whether matte or shiny nail polish lasts longer.

Which Nail Polish Lasts Longer: Matte or Shiny? 

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What Is a Compound Microscope?

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

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

Water and Mosses

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