astronomy

James Gow Black

James Gow Black is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand James Gow Black rather than just read about it. In short: James Gow Black (10 May 1835 – 25 December 1914) was a New Zealand chemist, mineralogist, lecturer and university professor . He was born in Tomgarrow, Perthshire, Scotland on 10 May 1835, the eldest of seven children of David, quarrier and farmer, and Margaret (née Gow).

Key takeaways

James Gow Black belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect James Gow Black to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of James Gow Black from memory before moving on to harder problems.

Reference excerpt

James Gow Black (10 May 1835 – 25 December 1914) was a New Zealand chemist, mineralogist, lecturer and university professor . He was born in Tomgarrow, Perthshire, Scotland on 10 May 1835, the eldest of seven children of David, quarrier and farmer, and Margaret (née Gow). Fenby noted that “Black supported himself by manual labour, and from the age of 14 by teaching. The nearest parish school was six miles from his home, so he set up his own school to teach neighbouring children”. After teaching at Liff Free Church School he attended Moray House Training College and then the University of Edinburgh, from where Black graduated MA in 1864, BSc in 1867 and DSc in 1869. In 1871 there were 23 applicants for the chair of natural science at the newly established University of Otago, New Zealand. The position was awarded to Black by unanimous vote. The family sailed on the Christian McCausland from Glasgow to Port Chalmers, the main port of Dunedin, arriving after a 90 day voyage on 28 December 1871. In his introductory lecture at the University Black claimed that one of the aims of a scientific education was to enable a person ”to produce a pound of corn, or wool, or iron, or gold, at half the expenditure which it previously cost”. It was this profoundly practical approach to science that was his guiding philosophy. The two books he published were for use in the field; he was not a researcher. A colleague added:

James Gow Black was first and foremost a teacher and populariser of science. His style was lucid, forceful and tinged with humour; his lecture demonstrations fascinating, sometimes to the point of appearing magical; his enthusiasm contagious. He addressed numerous audiences: students, teachers – many of whom travelled considerable distances to attend his Saturday morning classes, miners and the general public.

Books Black, James G (1885). Chemistry for the gold fields. Dunedin, New Zealand: J. Horsburgh. Black, James G (1895). Lectures on agricultural chemistry. Wellington, NZ: Samuel Costall, Govt. Printer.

Family James Gow Black married Jeannie Crichton on 25 August 1869 in Edinburgh. They had four children:

David Hugh Tibbett Jessie Elizabeth Margaret Janie Alice The first child was born in Scotland, and the rest in New Zealand. James died on Christmas Day 1914 in Halfmoon Bay. He is buried there, with his daughter Margaret and her husband. Jeannie died in Otago, aged 82, on 30 April 1919.

References

Illustrations

Worked examples

Example 1 — a first encounter with James Gow Black

Start with the simplest possible case. Write down what James Gow Black claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to James Gow Black before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about James Gow Black ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of James Gow Black

In research: James Gow Black appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses James Gow Black in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: James Gow Black is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1835 births, 1914 deaths, Academic staff of the University of Otago, so understanding it makes those chapters shorter.
In everyday life: Look for James Gow Black outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study James Gow Black in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what James Gow Black means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain James Gow Black out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is James Gow Black in simple terms?

Why does James Gow Black matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study James Gow Black?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on James Gow Black.