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Hydro-Electric Dams

Keywords: dams, greenhouse gases, hydro-electricity, power

Why is this beautiful valley in north-eastern BC about to be flooded?

A look at the generation of power by a hydro-electric dam.

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7 years 10 weeks ago

Volcanoes

Keywords: albedo, anthropogenic climate change, solar radiation, Stefan-Boltzmann law

Will the Icelandic volcano cool us off?

Using some straightforward physics to assess the possible impact of the Eyjafjallajökull eruption on the climate.

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7 years 10 weeks ago

Wind Turbines

Keywords: kinetic energy, power, wind energy, wind turbines

Can wind turbines actually be used to harness a substantial amount of power?

The total energy available in wind and the power that can feasibly be extracted from it will be determined using the fundamentals of kinematics. Following, the limitations of location and machinery of wind turbines that restrict the amount of power that can be harnessed will be examined, before comparing the impact of wind energy with various other common sources of energy.

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7 years 10 weeks ago

Energy and Greenhouse Gas (GHG) Calculations

Keywords: carbohydrates, energy, GHG production

How much Chemistry and Biology do you need to understand to estimate energy and greenhouse gas production? Very little.

Gain a basic understanding of energy and GHG production calculations.

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7 years 10 weeks ago

Using spreadsheets

Keywords: absolute and relative cell references, chi-squared, Excel, formulas, graphing, model, OpenOffice Calc, simulating data, Solver, spreadsheets, trend line, uncertainties

Want a quick way to do calculations, simulate data and draw graphs? Here are some quck tips on using spreadsheets to do this!

In this activity, we will use an accepted physical model, that of an object falling in a vacuum, to create simulated data that could result from an experiment. We will then graph this data and fit a trend line to it.

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7 years 11 weeks ago
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C21: Physics Teaching for the 21st Century
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