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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

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

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

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

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

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

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

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

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.

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

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? 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.

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.

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

Start your toy engines -- this is going to be a fast and friction-filled race!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?