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00:10:00

Secret Science – Invisible Ink

by Steve Acquah
Secret Science – Invisible Ink
for 11-14 and upwards,
Lectures | 11-14 and upwards | 16 years ago | 1840 views
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An introduction to acids and bases using simple kitchen equipment and some 'invisible ink'.

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00:05:00

What are we made of?

by Harry Kroto
What are we made of?
for 11-14 and upwards,
Lectures | 11-14 and upwards | 16 years ago | 2018 views
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Development of the ideas which persuaded us to accept the theory of atoms and molecules as constituents of matter.

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