17 results found for ,14-19-year-olds

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Numbers 00:11:00

All numbers are not equal

by Colin Byfleet
All numbers are not equal
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 11 years ago | 1435 views
Rating:

An introduction to the various types of numbers which are recognised as important.

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C60+ apparatus 2 00:02:00

C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 3

by Colin Byfleet
C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 3
for 14-19 and upwards,
Lectures | 14-19 and upwards | 3 years ago | 3055 views
Rating:

John Maier's team at the University of Basel solved the riddle of C60+ in 2015.  In this brief view Colin Byfleet looks at the unique apparatus used in John's work.

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Neon Matrix 00:03:00

C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 4

by Colin Byfleet
C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 4
for 14-19 and upwards,
Lectures | 14-19 and upwards | 3 years ago | 3108 views
Rating:

The early (mid 1990s) work on the electronic spectroscopy was carried out by John Maier's group, trapping C60+ in a neon matrix in this apparatus.

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Centripetal force 00:06:00

Centripetal force – how do we measure it?

by Colin Byfleet
Centripetal force – how do we measure it?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 7232 views
Rating:

A short video showing a simple classroom method of checking the way in which this force is related to mass, speed and radius.

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Chemical Equations 00:33:00

Chemical Equations – and how we construct them

by Colin Byfleet
Chemical Equations – and how we construct them
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 1383 views
Rating:

An introduction into the writing down of fully balanced chemical equations. The process is explained starting with word equations, finding all the relevant formulas and then working with some useful rules for finding the correct coefficients in the b....

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Space Probes 00:25:00

Communication with Space Probes and beyond

by Colin Byfleet
Communication with Space Probes and beyond
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 4236 views
Rating:

The main problems associated with communicating with distant space probes like Voyager 1 are investigated. The role played by diffraction in limiting the amount of power receivable on Earth is discussed. The further problems of reaching a nearby st....

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chem formula 00:26:00

Constructing Chemical Formulas

by Colin Byfleet
Constructing Chemical Formulas
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 14619 views
Rating:

An introduction to constructing and recognising chemical formulas. Using 20 well-known elements, the valency-rules which govern the atomic ratios are explained and used with several examples.

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Estimation 00:13:00

Estimation – Educated Guesswork?

by Colin Byfleet
Estimation – Educated Guesswork?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 11 years ago | 1329 views
Rating:

How can we make sensible estimates of very large numbers? It is often very important to know the size of an unknown number, at least to within a factor of ten.

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Fractions 1 00:21:00

Fractions 1

by Colin Byfleet
Fractions 1
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 11 years ago | 1758 views
Rating:

How can we represent fractions in the simplest way?   Equivalence of decimal and common fractions.

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byfleet fractions 2 00:12:00

Fractions 2

by Colin Byfleet
Fractions 2
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 11 years ago | 1416 views
Rating:

An approach to adding and subtracting fractions, using an understanding of the processes involved.

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Centripetal exp 00:14:00

Going round in circles – how do we do it?

by Colin Byfleet
Going round in circles – how do we do it?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 1250 views
Rating:

A presentation showing both the ideas about centripetal force and a simple classroom method of checking the way in which this force is related to mass, speed and radius.

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Isaac Newton 00:18:00

Isaac Newton and Gravitation

by Colin Byfleet
Isaac Newton and Gravitation
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 2304 views
Rating:

A look at what was known when Newton started to develop his theory of gravitation and how he used these ideas and data to make his great forward step

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Logarithms 00:25:00

Logarithms

by Colin Byfleet
Logarithms
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1390 views
Rating:

'The amazing Mr Briggs' or 'Where do Logarithms come from?'

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Speed of Electricity 00:05:00

Measuring the speed of pulses

by Colin Byfleet
Measuring the speed of pulses
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 1597 views
Rating:

A short clip showing the experimental measurement of the speed of electrical pulses in a cable - a large fraction of the speed of light.

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Speed of Sound i 00:09:00

Measuring the speed of sound

by Colin Byfleet
Measuring the speed of sound
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 10198 views
Rating:

A presentation showing how to measure the speed of sound over a short distance on a laboratory table.

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Oxidation numbers 00:37:00

Oxidation Numbers and Equations

by Colin Byfleet
Oxidation Numbers and Equations
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 1847 views
Rating:

The concept of oxidation and reduction is explained and generalised using oxidation numbers with ionic and covalent examples. Several equations are balanced, using the oxidation number method to fix various atomic ratios.

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Spectroscopy 00:41:00

Spectroscopy

by Colin Byfleet
Spectroscopy
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1397 views
Rating:

A survey of the variety and usefulness of the wide-ranging techniques which incorporate the name spectroscopy.

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