95 results found for 11-14-year-olds

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Hammack watch 00:04:00

Quartz Watch

by Bill Hammack
Quartz Watch
for 11-14 and upwards,
Lectures | 11-14 and upwards | 7 years ago | 839 views
Rating:

Bill takes apart a cheap watch to show how it works. He describes how a tiny quartz tuning fork keeps the time.

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Hammack queue 00:04:00

Queueing theory

by Bill Hammack
Queueing theory
for 11-14 and upwards,
Lectures | 11-14 and upwards | 7 years ago | 4247 views
Rating:

Bill introduces queueing theory and uses it to design the most efficient check out line

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Basic microwave Physics 00:06:00

Radiation in Your Kitchen: Basic Microwave Oven Physics

by Daniel Julio Domínguez
Radiation in Your Kitchen: Basic Microwave Oven Physics
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 4 years ago | 1571 views
Rating:

They're awesome to have in the kitchen, but did you ever wonder how your microwave actually works? This is a quick introduction to the theory that makes our home microwave ovens possible. Here, Daniel covers the differences between microwave heati....

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Edwards2 01:06:00

Science and Art make comfortable bedfellows

by Peter Edwards
Science and Art make comfortable bedfellows
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 890 views
Rating:

With portrait painter Peter Edwards, Sir Harry Kroto discusses his love of art and science.

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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 | 9 years ago | 1728 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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chromatog 00:06:00

Secret Science – Chromatography

by Steve Acquah
Secret Science – Chromatography
for 11-14 and upwards,
Lectures | 11-14 and upwards | 17 years ago | 1013 views
Rating:

Separating colours by science

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invisible 00:10:00

Secret Science – Invisible Ink

by Steve Acquah
Secret Science – Invisible Ink
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1017 views
Rating:

An introduction to acids and bases using simple kitchen equipment and some 'invisible ink'.

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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 | 9 years ago | 936 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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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 | 10 years ago | 2442 views
Rating:

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

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Hare - Simple Electrical Generator 00:06:00

Simple Electrical Generator

by Jonathan Hare
Simple Electrical Generator
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 871 views
Rating:

With some simple circuitry and a homemade hand powered generator Jonathan makes AC and DC electricity that could be used for charging a mobile phone or attaching to a wind turbine.

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Hare - Solar Cells 00:06:00

Solar Cells

by Jonathan Hare
Solar Cells
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 5229 views
Rating:

A short video on solar cells explaining with accompanying information sheet. How they work and how Jonathan uses solar power at home.

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Solar energy 00:05:00

Solar Energy

by Various Presenters
Solar Energy
for 11-14 and upwards,
Highschool presentations | 11-14 and upwards | 3 years ago | 672 views
Rating:

Sophie and Stephanie take a light-hearted look at solar energy.

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