4 results found for general

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00:01:00

Our youngest scientist

by Lukas Kondinski
Our youngest scientist
for All ages,
Teaching modules | All ages | 8 years ago | 5090 views
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At 2 years and 8 months Lukas is more adept than many students!

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00:10:00

Science With Acquah (The Quiz)

by Steve Acquah
Science With Acquah (The Quiz)
for All ages,
Teaching modules | All ages | 10 years ago | 1946 views
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Fun with general science! www.sciencewithacquah.com

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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 | 15 years ago | 2709 views
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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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00:13:00

Estimation – Educated Guesswork?

by Colin Byfleet
Estimation – Educated Guesswork?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 16 years ago | 2311 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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