16Hit1600
Expression of IdeasEasy–MediumExplaining what a term means

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - A 'tidal bore' is a wave that travels up a river against the current. - It forms when an incoming tide is funnelled into a narrowing river mouth. - The bore on the River Severn can be over a metre high. - Surfers ride the Severn bore. The student wants to explain to readers what a tidal bore is.

Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. A tidal bore is a wave that travels up a river against the current, formed when an incoming tide is funnelled into a narrowing river mouth.Correct
  2. B. Surfers ride the Severn bore.
  3. C. The bore on the River Severn can be over a metre high.
  4. D. The River Severn has a tidal bore.

Answer: A. A tidal bore is a wave that travels up a river against the current, formed when an incoming tide is funnelled into a narrowing river mouth.

Definition and cause.

Why the other answers are wrong

B. Surfers ride the Severn bore.
A use, not a definition.
C. The bore on the River Severn can be over a metre high.
A size, not a definition.
D. The River Severn has a tidal bore.
An instance, not a definition.

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