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Do different types of oil mix or stack? Find out in this science fair project idea!

Do Different Types of Oil Mix or “Stack”?

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Eraser Test

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Rate of Evaporation

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Snow to Liquid Ratio

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

Gravitropism

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Rainbow in a Jar

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

What is a Wedge?

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Which Food Will Mold the Fastest?

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Form and Function

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

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

How Well Does Sound Travel Through a Gas? A Liquid? A Solid?

In this project children practice the scientific method while playing with puffy paint.

Practicing the Scientific Method with Puffy Paint

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Density Experiment

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Leaf Rubbings: Shapes and Patterns

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

How do Sedimentary Layers Form?

This science fair project teaches students the differences between fruits and vegetables.

Is it a Fruit or a Veggie?

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Color Changing Milk Experiment

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

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Speaking Cat

In this activity your child will create their very own marble maze!

Design Challenge: Marble Labyrinths

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Eureka! Volume and the Displacement of Water

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

The Science Behind Keeping Flowers Fresh

How do organic materials become soil? This science experiment measures what materials biodegrade.

Dig This: Biodegradation

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Ripening Avocados

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Does Hair Color Affect Static Electricity?

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Do Some Liquids Expand More than Others When Frozen?

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

What Are the Layers of the Earth?

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet!&nbsp;

Read a Thermometer

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Rats!

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