# Who discovered density, Archimedes?

Greek mathematician Archimedes discovered the concept of density when the king of Syracuse wanted to know if his crown was pure gold or a mix of gold and silver. Archimedes realized that placing an... Read More »

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## Who discovered the principle of density?

The principle of density involves a comparison of the mass of a substance with its volume. Archimedes discovered this principle when he compared the volume of Hieroâ€™s crown to the volume of an eq... Read More »

## What is the difference between low density&high density heating elements?

The density of a heating element in a water heater refers to the wattage of the element in relation to the amount of its surface area. As the elements density lowers, so does the temperature at whi... Read More »

## How to Demonstrate Archimedes' Principle?

Archimedes' principle states that "an immersed body is buoyed up by a force that is equal to the weight of the fluid that it displaces." What does that even mean?? To clearly demonstrate this princ... Read More »
http://www.wikihow.com/Demonstrate-Archimedes%27-Principle

## How Do Archimedes Screws Work?

The Archimedes screw is a simple machine (a type of pump) that has been used since ancient times. Its application ranges from lifting water from a lower to higher level, such as rivers or lakes, to... Read More »

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