9 results found for 11-14-year-olds

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Malhi 00:14:00

Environmental Scientist & Space Forester

by Yavinder Malhi
Environmental Scientist & Space Forester
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 991 views
Rating:

Yadvinder works in the Geography department at Oxford University. He looks at how human activity and especially carbon dioxide emissions have changed the ecosystems of tropical rainforests. This work takes him on regular trips to his two research sit....

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Manchester 00:03:00

Manchester United

by Harry Kroto
Manchester United
for 11-14 and upwards,
Workshops | 11-14 and upwards | 10 years ago | 5003 views
Rating:

A workshop in Chemistry at Old Trafford.

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nesta 00:45:00

Nesta Inspire Workshop

by Harry Kroto
Nesta Inspire Workshop
for 11-14 and upwards,
Workshops | 11-14 and upwards | 10 years ago | 5538 views
Rating:

Harry Kroto and Jonathan Hare give a workshop at the University of Sussex to local school children and simultaneously video conference with children at Leicester, Imperial, Cardiff, and Edinburgh universities.

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Hare parabolic 00:02:00

Parabolic Light Collectors

by Jonathan Hare
Parabolic Light Collectors
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 5365 views
Rating:

Parabolic surfaces can be used to concentrate energy for example to focus sunlight to heat things. Using an old World War II spot light mirror we demonstrate how easy it it is to concentrate enough energy to cause combustion. Finally, we show how to ....

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Hare Potato battery 00:07:00

Potato Battery

by Jonathan Hare
Potato Battery
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1400 views
Rating:

When two different types of conductors are pushed into a potato chemical reactions take place charging them up - we have a simple electrochemical cell. A potato, zinc screw and carbon rod produce about 1V. We experiment joining a few of these cells u....

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Hare seawater battery 00:04:00

Seawater Battery

by Jonathan Hare
Seawater Battery
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1843 views
Rating:

When two different metals are placed in a salt solution (an electrolyte) the chemistry produces a voltage. This is called a cell. By wiring up a number of these cells we can make a battery and use it to power electrical circuits.

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Hare shake a gen 00:04:00

Shake-a-Gen

by Jonathan Hare
Shake-a-Gen
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1006 views
Rating:

This is a simple yet effective demonstration of electricity generation. 500 turns of wire are wound onto a 35mm film can and the two ends are attached to an LED light. A strong magnet is placed in the can and the lid fixed back in place. The generato....

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King 00:14:00

The Mathematician Who Can’t Add Up

by Emma King
The Mathematician Who Can’t Add Up
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1020 views
Rating:

Emma was a post-graduate student at the University of Nottingham, completing a PhD in the field of theoretical cosmology. As an undergraduate at the University of Sussex she made history when she became the first woman to win the top prize at the Sci....

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Hare windmills 00:03:00

Three Windmills

by Jonathan Hare
Three Windmills
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 892 views
Rating:

Converting wind power into electricity seems like an ideal way of helping to solve our energy problems. However, the power generated by a windmill is dependent on the wind speed. If the wind drops to half its speed there is as little as an 1/8th of t....

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