science

Turn of the century

Turn of the century is a science 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 Turn of the century rather than just read about it. In short: The turn of the century is the transition from one century to another, or the time period before or after that change in centuries. Usage The phrase "turn of the century" is generally understood to mean the change in time (whether upcoming or past) closest to the current generation.

Key takeaways

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

Reference excerpt

The turn of the century is the transition from one century to another, or the time period before or after that change in centuries.

Usage The phrase "turn of the century" is generally understood to mean the change in time (whether upcoming or past) closest to the current generation. During the 20th century, the phrase, unqualified, was used to refer to the transition from the 19th century to the 20th century. In the 21st century, "turn of the 21st century" (or 20th century) may be used to avoid ambiguity. The Chicago Manual of Style has indicated some ambiguity on the exact meaning of the phrase "turn of the n-th century". For instance, if a statement describes an event as taking place "at the turn of the 18th century", it could refer to a period around the year 1701 or around 1800, that is, the beginning or end of that century. Consequently they recommend only using "turn of the century", in a context that makes clear which transition is meant, otherwise using different, unambiguous, wording.

See also Fin de siècle Progressive Era Edwardian era Information Age Y2K The Turn of the Century

References

Illustrations

Worked examples

Example 1 — a first encounter with Turn of the century

Start with the simplest possible case. Write down what Turn of the century claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Turn of the century 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 Turn of the century 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 Turn of the century

In research: Turn of the century appears in science 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 Turn of the century 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: Turn of the century is common in secondary-school and first-year university syllabi. It links to neighbouring topics English words and phrases, Historical eras, History stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Turn of the century 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 Turn of the century in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Turn of the century 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 Turn of the century out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Turn of the century in simple terms?

The turn of the century is the transition from one century to another, or the time period before or after that change in centuries. Usage The phrase "turn of the century" is generally understood to mean the change in time (whether upcoming or past) closest to the current generation.

Why does Turn of the century matter?

Because it connects several science 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 Turn of the century?

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 Turn of the century.