8 results found for ,11-14-year-olds

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Physics of Communications 00:33:00

Communication on Earth, using Cables and Satellites

by Colin Byfleet
Communication on Earth, using Cables and Satellites
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1225 views
Rating:

A brief look at the Physics behind sending signals along cables and via geostationary satellites. An experiment to measure the speed of an electrical pulse in a cable is described and the Physics of the orbits of communcations satellites is develope....

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Crater formation 00:11:00

Crater Formation in Sand

by Colin Byfleet
Crater Formation in Sand
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 11 years ago | 3105 views
Rating:

A description and demonstration of the way in which craters formed by dropping objects into sand can be linked to some elementary physics

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Byfleet fractions 3 00:16:00

Fractions 3

by Colin Byfleet
Fractions 3
for 11-14 and upwards,
Lectures | 11-14 and upwards | 11 years ago | 1398 views
Rating:

Mutiplying and dividing fractions: a systematic approach to this perennial problem.

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Speed of Sound 00:04:00

Measuring the speed of sound – experimental details

by Colin Byfleet
Measuring the speed of sound – experimental details
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 10 years ago | 6998 views
Rating:

A short clip showing the measurement of the speed of sound over short distances.

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Percentage 00:15:00

Percentages

by Colin Byfleet
Percentages
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 11 years ago | 1398 views
Rating:

Making life easy when using percentages. A sometimes fraught topic looked at differently.

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Interest 00:10:00

Simple and Compound Interest

by Colin Byfleet
Simple and Compound Interest
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 11 years ago | 2872 views
Rating:

Be wary of high interest rates! An introduction to how loans grow.

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Square Roots 1 00:07:00

Square Roots 1

by Colin Byfleet
Square Roots 1
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 11 years ago | 3651 views
Rating:

A pen and pencil method of extracting square roots

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Square Roots 2 00:05:00

Square Roots 2

by Colin Byfleet
Square Roots 2
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 11 years ago | 4576 views
Rating:

A better way to extract square roots, with rapid convergence

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