Experiment Library

Color Changing Milk

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March 23, 2020 | Day 1 of 50

Color Changing Milk

Some very unusual interactions take place when you mix a little milk, food coloring, and a drop of liquid soap.

Day #

Drops on a Penny

Drops on a Penny

You might think that you can’t fit many drops of water on the surface of a penny. However, bonds and surface tension give water some amazing properties.

March 24, 2020 | Day 2 of 50

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Air Pressure
Can Crusher

Air Pressure Can Crusher

There are lots of different ways to crush a soda can… with your foot, in your hands, on your head. But nothing compares to the fun you’ll have doing it this way...

March 25, 2020 | Day 3 of 50

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Cloud in a Bottle

Cloud in a Bottle

Making a cloud inside a bottle may help you figure out how they form outside in the sky. Warm, moist air rises in the atmosphere, cools, and beautiful, puffy clouds can be...

March 26, 2020 | Day 4 of 50

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Floating Ping Pong Ball

Floating Ping Pong Ball

The power of air allows you to levitate a ball in midair. Replicate this levitating object phenomenon on a smaller scale using objects that are right in your home!

March 27, 2020 | Day 5 of 50

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Magnetic Slime

Magnetic Slime

There’s a good chance you’ve (1) already worked with magnets and (2) made slime many times. It’s a good bet you haven’t done it at the same time...

March 30, 2020 | Day 6 of 50

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Mysterious Water Suspension

Mysterious Water
Suspension

A glass jar is filled with water, the whole thing is turned upside down–how does the water defy gravity?

March 31, 2020 | Day 7 of 50

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Homemade Ice Cream

Homemade Ice Cream

Here’s a simple recipe you can follow right at home to make your own ice cream. The scientific secret is plain old...

April 1, 2020 | Day 8 of 50

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Balancing Nails

Balancing Nails

Find the center of gravity as twelve nails find precarious stability on the head of just one nail.

April 2, 2020 | Day 9 of 50

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Colorful Convection Currents

Colorful Convection
Currents

Invisible convection currents are revealed using a very colorful demonstration.

April 3, 2020 | Day 10 of 50

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CD Hovercraft

CD Hovercraft

Make your own miniature Hovercraft! Learn how to defeat friction in this amazing STEM Activity.

April 6, 2020 | Day 11 of 50

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Water Thermometer

Water Thermometer

Is it possible to make a thermometer out of water? Absolutely! You’ll be measuring temperature with this amazing homemade tool in no time.

April 7, 2020 | Day 12 of 50

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Floating Rice Bottle

Floating Rice Bottle

Ha! Think you know the oldest trick in the book? Try this amazing floating rice bottle magic trick that dates back thousands of years!

April 8, 2020 | Day 13 of 50

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Balloon Skewer

Balloon Skewer

Some things in this world just don’t mix—dogs and cats, oil and water, needles and balloons. Everyone knows that a balloon’s worst fear is a sharp object...

April 9, 2020 | Day 14 of 50

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Sugar Cube Magic

Sugar Cube Magic

A sugar cube, graphite, and some misdirection bring science and magic together with mystifying results.

April 10, 2020 | Day 15 of 50

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Taco Sauce Penny Cleaner

Taco Sauce Penny Cleaner

Can you use taco sauce to clean the tarnish off of a penny? Believe it or not, taco sauce does a great job of cleaning pennies, but...

April 13, 2020 | Day 16 of 50

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Invisible Soda

Invisible Soda

Milk and soda pop are both mostly water but each has ingredients that make for an unexpected reaction when they combine...

April 14, 2020 | Day 17 of 50

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Coin Tower

Coin Tower

Use stacked coins as an immaculate kids’ science demonstration in inertia, friction, and movement. What’s the secret?

April 15, 2020 | Day 18 of 50

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Falling Ring Catch

Falling Ring Catch

Is it possible to catch a falling ring with a loop of string? Engage your family with this puzzling trick.

April 16, 2020 | Day 19 of 50

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Sugar Rainbow

Sugar Rainbow

Is it possible to catch a falling ring with a loop of string? Engage your family with this puzzling trick.

April 17, 2020 | Day 20 of 50

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Marble Gravitron

Marble Gravitron

Remember the Gravitron ride from your local carnival? Learn the science behind how this ride works with a smaller at-home scale activity.

April 20, 2020 | Day 21 of 50

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Mysterious Appearing Colors

Mysterious Appearing
Colors

Red and blue make purple, blue and yellow make green, but what happens when you mix black and white? A rainbow?

April 21, 2020 | Day 22 of 50

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Strawberry DNA

Strawberry DNA

Extract, isolate, and observe the DNA of a strawberry in a matter of minutes. It sounds impossible, but thanks to the special characteristics of strawberries...

April 22, 2020 | Day 23 of 50

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The Coin Drop

The Coin Drop

Dropping a penny into an empty glass sounds ordinary and simple. But, "ordinary and simple" is an invitation to dream up ways to use science to get it done!

April 23, 2020 | Day 24 of 50

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Huff and Puff Challenge

Huff and Puff Challenge

He can huff, and he can puff, but the Big Bad Wolf can't blow this paper ball into the bottle. Explore the amazing power of air.

April 24, 2020 | Day 25 of 50

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Diving Ketchup

Diving Ketchup

Did you know that you can cause a packet of ketchup to rise and fall on command in a bottle of water?

April 27, 2020 | Day 27 of 50

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Homemade Geyser Tube

Homemade Geyser Tube

You can build your own ignition device for the famous Mentos and diet soda geyser eruption.

April 28, 2020 | Day 27 of 50

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Homemade Rock Candy

Homemade Rock Candy

Who doesn't love a little kitchen chemistry that crystalizes into a sweet treat? Explore solutes, solvents, viscosity, sedimentation, and supersaturated solutions!

April 29, 2020 | Day 28 of 50

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Mousetraps in Motion

Mousetraps in Motion

Have fun building mousetrap powered cars and converting potential energy into kinetic energy!

April 30, 2020 | Day 29 of 50

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Wrapper Worm

Wrapper Worm

Here's a fun trick that uses cohesion and adhesion to bring science to the dinner table.

May 1, 2020 | Day 30 of 50

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Match Levitation

Match Levitation

Whether watching that movie about wizards or catching up on our magic tricks, we love it when things mysteriously rise into the air. Learn the science behind...

May 4, 2020 | Day 31 of 50

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Traveling Water

Traveling Water

Adhesion, cohesion, and gravity combine talents to move water from cup to cup.

May 5, 2020 | Day 32 of 50

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Soda Can Jump

Soda Can Jump

Use a little bit of science (a.k.a. Bernoulli's Principle) to get a soda can to jump.

May 6, 2020 | Day 33 of 50

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Blubber Glove

Blubber Glove

The animals of the Arctic and Antarctic circles spend their lives surviving subfreezing air temperatures and frigid water. Their secret is...

May 7, 2020 | Day 34 of 50

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Homemade Hand Boiler

Homemade Hand Boiler

What would you say if we told you that you could make water boil with nothing more than your touch? Impossible, right?

May 8, 2020 | Day 35 of 50

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Musical Straw

Musical Straw

There’s no telling what the first wind instrument (the one you blow into) ever played was. It’s probably a safe bet, however, that it wasn’t this one...

May 11, 2020 | Day 36 of 50

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Make Your Own Compass

Make Your Own Compass

Find your direction with this do-it-yourself compass.

May 12, 2020 | Day 37 of 50

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Magic Rollback Can

Magic Rollback Can

Potential and kinetic energy are both at work in this magical demonstration!

May 13, 2020 | Day 38 of 50

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How to Make a Folding Egg

How to Make a Folding Egg

Just imagine the look on your friends’ faces when you show them an egg and then proceed to fold it in half several times until it forms a small white ball!

May 14, 2020 | Day 39 of 50

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Anti-Gravity Water

Anti-Gravity Water

What if we told you that you could turn a glass of water completely upside down and the water wouldn’t fall to the floor?

May 15, 2020 | Day 40 of 50

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Drag Racing Cups

Drag Racing Cups

Finish your coffee and use this fun and simple experiment to create an awesome racer!

May 18, 2020 | Day 41 of 50

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Straw Through Potato

Straw Through Potato

Science nerds seem to like to find ways to poke straws through potatoes. There must be a deeper meaning… and there is!

May 19, 2020 | Day 42 of 50

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Color Mixing Wheel

Color Mixing Wheel

Here’s an amazing way to combine scientific principles of physics with the visual science of color mixing.

May 20, 2020 | Day 43 of 50

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Money Under Bottle

Money Under Bottle

This is an activity that uses friction and inertia in unexpected ways. But, you might make some quick cash.

May 21, 2020 | Day 44 of 50

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Singing Glasses Toothpick Mover

Singing Glasses
Toothpick Mover

This is an activity that uses friction and inertia in unexpected ways. But, you might make some quick cash.

May 22, 2020 | Day 45 of 50

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Disappearing Money

Disappearing Money

Here's a fun way to bend light and make money disappear!

May 25, 2020 | Day 46 of 50

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World’s Simplest Motor

World’s Simplest Motor

While most motors are pretty complicated, this is the simplest one you can build.

May 26, 2020 | Day 47 of 50

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Candle Seesaw

Candle Seesaw

This scientific amusement is easily overlooked when you’re thumbing through the pages of an old science book.

May 27, 2020 | Day 48 of 50

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Flying Tea Rocket

Flying Tea Rocket

Launching an empty tea bag reveals the power of density differences and convection currents.

May 28, 2020 | Day 49 of 50

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Screaming Balloon

Screaming Balloon

Well, it's our final day of 50 Experiments for 50 Days, and that might make you want to scream. But what if you could make a balloon scream instead?

May 29, 2020 | Day 50 of 50

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