science

Narusawa Ice Cave

Narusawa Ice Cave 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 Narusawa Ice Cave rather than just read about it. In short: The Narusawa Ice Cave (Japanese: 鳴沢氷穴, Narusawa Hyōketsu) is a lava tube located in the Aokigahara forest, in the part that belongs to Narusawa Village, Yamanashi Prefecture, Japan. It is one of the three larger lava tubes at the northern foot of Mount Fuji, the other two caves being Fugaku Wind Cave and Lake Sai Bat Cave.

Key takeaways

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

Reference excerpt

The Narusawa Ice Cave (Japanese: 鳴沢氷穴, Narusawa Hyōketsu) is a lava tube located in the Aokigahara forest, in the part that belongs to Narusawa Village, Yamanashi Prefecture, Japan. It is one of the three larger lava tubes at the northern foot of Mount Fuji, the other two caves being Fugaku Wind Cave and Lake Sai Bat Cave. All three were designated as Natural Monuments of Japan in 1929. The Narusawa Ice Cave is 156 meters long measured along the visitor route with two lobes, with the width of 1.5 to 11 meters and the height of 1 to 3.6 meters. The average temperature inside the cave is about 3°C. The cave was long used as a natural refrigerator. During the Edo period, ice cut in this cave was sent to the shōgun and his entourage in Edo. During the early 1900s, ice made here had been used in the refrigerator before the electric refrigerator arrived.

Transportation The Narusawa Cave is on Japan National Route 139; public bus transportation is available from Kawaguchiko Station of Fujikyūkō railway. By car, it takes about 30 minutes from Lake Kawaguchi exit of Chūō Expressway.

See also Fugaku Wind Cave Lake Sai Bat Cave

References

External links Narusawa Ice Cave

Illustrations

Worked examples

Example 1 — a first encounter with Narusawa Ice Cave

Start with the simplest possible case. Write down what Narusawa Ice Cave 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 Narusawa Ice Cave 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 Narusawa Ice Cave 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 Narusawa Ice Cave

In research: Narusawa Ice Cave 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 Narusawa Ice Cave 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: Narusawa Ice Cave is common in secondary-school and first-year university syllabi. It links to neighbouring topics Caves of Japan, Ice caves, Landforms of Yamanashi Prefecture, so understanding it makes those chapters shorter.
In everyday life: Look for Narusawa Ice Cave 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 Narusawa Ice Cave in 20 minutes

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

Frequently asked questions

What is Narusawa Ice Cave in simple terms?

Why does Narusawa Ice Cave 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 Narusawa Ice Cave?

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 Narusawa Ice Cave.