science

Pikaia!

Pikaia! 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 Pikaia! rather than just read about it. In short: Pikaia! (ピカイア!) is a Japanese educational anime series produced by NHK Educational.

Key takeaways

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

Reference excerpt

Pikaia! (ピカイア!) is a Japanese educational anime series produced by NHK Educational. The first season started airing on April 29, 2015 for 13 episodes before ending on July 30, 2015. It is renewed with a second season in February 2017.

Plot The story begins in the future when Earth itself is no longer inhabitable by living creatures. Humans began their interstellar migration with space colonies. Vince and Hana work as researchers in the Cambrian Project. Together with the creature Pikaia, they seek the Lost Code, the key to restoring Earth, and aim to return to Cambrian-era Earth.

Characters Hannah Anning (ハンナ＝アニング, Hanna Aningu) Voiced by: Ayaka Suwa Vincent Light (ヴィンセント＝ライト, Vinsento Raito) Voiced by: Hayato Taka Pikaia (ピカイア, Pikaia) Voiced by: Kaori Mizuhashi Dr. Parker (パーカー博士, Pākā Hakase) Voiced by: Toru Ohkawa Morris (モーリス, Mōrisu) Voiced by: Hirofumi Nojima Will (ウィル, Wiru) Voiced by: Akira Nishitani Harry (ハリー, Harī) Voiced by: Wataru Urata President Irma (イルマ大統領, Iruma Daitōryō) Voiced by: Sayaka Kinoshita Vice-President Frazer (フレイザー副大統領, Fureizā Fuku Daitōryō) Voiced by: Tetsu Inada Wendy Owen (ウェンディ・オーウェン, Wendi Ōwen) Voiced by: Aimi Tanaka Edward Edwards (エドワルド・エドワーズ, Edowarudo Edowāzu) Voiced by: Nobuyuki Hiyama Evol (エヴォル, Evoru) Voiced by: Takuma Nagatsuka Shadow A, Shadow B (影A、影B, Kage A, Kage B) Voiced by: Hiroaki Tajiri (A), Isamu Yūsen (B) Characters who appear only in the pilot. Dr. Parker (パーカー博士, Pākā Hakase) Voiced by: Miyuu Tsuji (Miyuu), Rie Hanafusa (Rie), Shio Kisui (Mii) The members of elfin', who sing the openings and endings and appear in an educational segment with Morris. Shio was known as Mii Takahashi when the series aired.

References

External links Official website Pikaia! (anime) at Anime News Network's encyclopedia

Worked examples

Example 1 — a first encounter with Pikaia!

Start with the simplest possible case. Write down what Pikaia! 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 Pikaia! 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 Pikaia! 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 Pikaia!

In research: Pikaia! 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 Pikaia! 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: Pikaia! is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2015 anime television series debuts, 2017 anime television series debuts, Anime with original screenplays, so understanding it makes those chapters shorter.
In everyday life: Look for Pikaia! 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 Pikaia! in 20 minutes

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

Frequently asked questions

What is Pikaia! in simple terms?

Pikaia! (ピカイア!) is a Japanese educational anime series produced by NHK Educational.

Why does Pikaia! 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 Pikaia!?

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 Pikaia!.