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In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Magnet Experiment: Are Two Magnets Twice as Strong as One?

This project compares the strength of one, two, and three-ply toilet paper.

The Relationship Between Toilet Paper Ply and Strength

In this science fair project, young children discover what happens when two fluids that have different densities get together.

What Happens When Oil and Water Get Together?

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

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

What Attracts Fruit Flies?

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Popcorn Pumice: Exploring Different Rock Densities

This classic children&#39;s game-connecting two cups with a string-demonstrates sound&#39;s ability to travel through air vs through a solid.

The Speed of Sound on a String

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

Design Challenge: Building a Bridge

In this project students experiment with making music using only glasses of water.

Musical Glasses

In this science fair project you will make a model of a cell membrane using very simple material.

Cell Membrane

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

Design Challenge: Making a Parachute

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

A Visual Model of the Doppler Effect

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Solids, Liquids, Maple Syrup!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

How to Make a Lemon Battery

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Light Intensity and Distance

In this activity, your child will be challenged to make a tower using paper cups.

Design Challenge: Creating a Cup Tower

In this design challenge, your child will make a bottle rocket using typical household items.

Design Challenge: Making a Bottle Rocket

How does frost form?  How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How Does Frost 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.

Halloween STEM Building Challenge

Reinforce your child&rsquo;s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Design Challenge: Letters of the Alphabet

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Show the Direction of Magnetic Field Lines

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Floating Balloons

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Magic Glass of Water

Using an empty tennis ball can and a swimming pool, you will determine if it&#39;s possible to have a conversation under water.

Speaking Under Water

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Gymnosperms: Pine Cone Experiment

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

How to Separate Salt from Water

In this design thinking activity, your child will choose an animal to research,&nbsp;learn&nbsp;about the animal&rsquo;s habitat, and then replicate the animal&#39;s habitat using household items.

Design Challenge: Creating Animal Habitats

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

What Lives in the Air Conditioner?

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

The Role of Fat in Food

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

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