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Weights and Measures

This website is dedicated to British Imperial Weights and Measures. While metric measures are simpler, these old measures are still part of our language.

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http://www.gwydir.demon.co.uk/jo/units/index.htm

Barometer

Description of how mercury barometers measure pressure.

Rating:

http://hyperphysics.phy-astr.gsu.edu/hbase/pman.html#bar

Reynold's Number

Information relating to this measure used in fluid dynamics.

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http://hyperphysics.phy-astr.gsu.edu/hbase/pturb.html#reyn

Atwood Machine

The site demonstrate the use of various masses to measure the force exerted on one mass by another.

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http://lectureonline.cl.msu.edu/~mmp//kap4/cd097a.htm

How does a laser measure the speed of a car?

This article from Scientific American explains how police radar guns work.

Rating:

http://www.sciam.com/article.cfm?id=ive-heard-that-the-police

Electrostatic Potential Applet

An interactive multimedia site that allow for charges at any point in a field strength is measure.

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http://lectureonline.cl.msu.edu/~mmp//kap18/eField.htm

Electronegativity

Electronegativity is a measure of the ability of an atom in a molecule to draw bonding electrons to itself.

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http://hyperphysics.phy-astr.gsu.edu/hbase/chemical/bondd.html#c3

Multimeter VOM

Java applet showing use of multimeter to measure resistance, current, p.d.

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http://www.phy.ntnu.edu.tw/~hwang/electronics/multimeter.html

Density lab, multimedia activities

An applet where you measure the volume and mass of objects and then check if they float. You can alter the liquid's density too. Subscription required but with 30 day free trial.

Rating:

http://www.explorelearning.com/index.cfm?method=cResource.dspDetail&ResourceID=17

Resistivity

A Java script capable browser is required to make these resistivity calculations. Resistivity is defined as a measure of a material's ability to oppose the flow of an electric current.

Rating:

http://www.woodsbas.demon.co.uk/calcs/restvty.htm

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You searched for “measure”

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