science

Hungry grass

Hungry grass 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 Hungry grass rather than just read about it. In short: In Irish mythology, hungry grass (Irish: féar gortach; also known as fairy grass) is a patch of cursed grass. Anyone walking on it was doomed to perpetual and insatiable hunger.

Key takeaways

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

Reference excerpt

In Irish mythology, hungry grass (Irish: féar gortach; also known as fairy grass) is a patch of cursed grass. Anyone walking on it was doomed to perpetual and insatiable hunger.

History Steenie Harvey suggests that the hungry grass is cursed by the proximity of an unshriven corpse known as the fear gorta, who in some retelling he asks for alms and rewards those who offer them. William Carleton's stories suggest that faeries plant the hungry grass, or that a meal had been eaten in the area with no portion left to share with the "otherworld". According to Harvey, this myth may relate to beliefs formed in the Great Famine of the 1840s. In Margaret McDougall's letters, the phrase "hungry grass" is - by analogy to the myth - used to describe hunger pangs. Carrying a crust in a pocket was believed to protect or ward off the effects of the grass as eating something immediately would avoid death from the sudden hunger. Hungry grass or Féar gortach is also the native name for quaking-grass, believed to be a reference to its poor nutritional value. A 1969 novel by Richard Power, is entitled The Hungry Grass.

Worked examples

Example 1 — a first encounter with Hungry grass

Start with the simplest possible case. Write down what Hungry grass 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 Hungry grass 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 Hungry grass 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 Hungry grass

In research: Hungry grass 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 Hungry grass 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: Hungry grass is common in secondary-school and first-year university syllabi. It links to neighbouring topics Grasses, Irish mythology, Mythological plants, so understanding it makes those chapters shorter.
In everyday life: Look for Hungry grass 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 Hungry grass in 20 minutes

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

Frequently asked questions

What is Hungry grass in simple terms?

In Irish mythology, hungry grass (Irish: féar gortach; also known as fairy grass) is a patch of cursed grass. Anyone walking on it was doomed to perpetual and insatiable hunger.

Why does Hungry grass 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 Hungry grass?

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 Hungry grass.