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Posts tagged density

August 18, 2016

 

Learn why Diet-Coke floats and regular Coke doesn't!

How Do You Make A Diet-Coke Float?

Here is an at home experiment you can try! Learn about molecular density!

August 16, 2016

 

Although submarines are sophisticated machines, their ability to rise and sink is based on the elementary principle of buoyant force.

Submarine

Ever wonder how submarines rise and sink so quickly? Find out on today's Moment of Science!

July 27, 2016

 

Older airships, like this US Army one from 1922, flew using hydrogen.

A Science Joke: Hydrogen

Why is it that you can't put down hydrogen gas? Find out on this Moment of Science.

November 9, 2012

 

Ice cubes are a great way to cool a drink.

How Does Ice Cool Drinks?

Drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work?

September 26, 2012

 

Have you owned a lava lamp?

The Physics Of A Lava Lamp

There are two ingredients inside a lava lamp: a watery liquid, and a waxy compound that collects at the bottom when the lamp is turned off.

May 21, 2012

 

The Floating Needle

Here's a neat experiment you can try at home!

November 21, 2011

 

f

Heavy Air

Here's an odd-seeming question. Does air weigh anything?

June 7, 2011

 

How Does The Cartesian Diver Experiment Work?

The Cartesian diver, named after French philosopher and scientist René Descartes, works because of several factors.

April 5, 2011

 

Make Your Own Lava Lamp!

This easy-to-do experiment is a great way to learn about density.

April 1, 2011

 

The Archimedes’ Principal And Rock Density

Why does a small rock sink to the bottom of a glass when a piece of wood floated on top?

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