earth science

Kaiyō No.1-class oceanographic research ship

Kaiyō No.1-class oceanographic research ship is a earth 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 Kaiyō No.1-class oceanographic research ship rather than just read about it. In short: The Kaiyō No. 1-class oceanographic research ship (第一海洋型海洋観測船,, Daiichi Kaiyō-gata Kaiyō-kansokusen) was a class of oceanographic research ship/weather ship of the Imperial Japanese Navy (IJN), serving during World War II. The IJN official designation was 200-ton oceanographic research ship (二〇〇瓲海洋観測船,, 200-ton Kaiyō-kansokusen).

Key takeaways

Kaiyō No.1-class oceanographic research ship belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Kaiyō No.1-class oceanographic research ship to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Kaiyō No.1-class oceanographic research ship from memory before moving on to harder problems.

Reference excerpt

The Kaiyō No. 1-class oceanographic research ship (第一海洋型海洋観測船,, Daiichi Kaiyō-gata Kaiyō-kansokusen) was a class of oceanographic research ship/weather ship of the Imperial Japanese Navy (IJN), serving during World War II. The IJN official designation was 200-ton oceanographic research ship (二〇〇瓲海洋観測船,, 200-ton Kaiyō-kansokusen).

Construction In 1938, the IJN wanted to investigate the weather and ocean currents in a potential future battlefield. Kaiyō No. 1-class ships were built for the purpose. The IJN made Hokkaido Fisheries Research Institute San'yō Maru a sample for the Kaiyō No. 1. All ships were deployed in the Hydrographic Department, and they were directly controlled by the Naval Ministry. Therefore, being government ships, they raised civil ensign, not the naval ensign. The crew were civil servants except for several warrant officers. All sister ships were built by Mitsubishi Heavy Industries at Shimonoseki shipyard.

Ships in classes

Worked examples

Example 1 — a first encounter with Kaiyō No.1-class oceanographic research ship

Start with the simplest possible case. Write down what Kaiyō No.1-class oceanographic research ship claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth 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 Kaiyō No.1-class oceanographic research ship 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 Kaiyō No.1-class oceanographic research ship 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 Kaiyō No.1-class oceanographic research ship

In research: Kaiyō No.1-class oceanographic research ship appears in earth 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 Kaiyō No.1-class oceanographic research ship 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: Kaiyō No.1-class oceanographic research ship is common in secondary-school and first-year university syllabi. It links to neighbouring topics Auxiliary research ship classes, Auxiliary ships of the Imperial Japanese Navy, Japan Coast Guard, so understanding it makes those chapters shorter.
In everyday life: Look for Kaiyō No.1-class oceanographic research ship 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 Kaiyō No.1-class oceanographic research ship in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Kaiyō No.1-class oceanographic research ship 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 Kaiyō No.1-class oceanographic research ship out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Kaiyō No.1-class oceanographic research ship in simple terms?

Why does Kaiyō No.1-class oceanographic research ship matter?

Because it connects several earth 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 Kaiyō No.1-class oceanographic research ship?

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 Kaiyō No.1-class oceanographic research ship.