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 | 1354 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 | 2831 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 | 2933 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 | 6836 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 | 1289 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 | 4054 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 | 14194 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 | 1260 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 | 1677 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 | 1333 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 | 1157 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 | 2184 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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