Question

Feature
Read the selection and choose the best answer to each question.

Martian Metropolis
by Meg Thacher

Click here to read Martian Metropolis.

Question
Read the origin of the word geothermal.

From the Greek geo- (“earth”) and -thermē (“heat”)

Using these clues, choose the best meaning of geothermal as it is used in paragraph 9 of the selection.

Responses

Energy generated from human waste
Energy generated from human waste

Warmth received from the heat of the sun
Warmth received from the heat of the sun

Heat transported from one planet to another
Heat transported from one planet to another

Power obtained from the internal heat of a planet
Power obtained from the internal heat of a planet

Answer 1

Power obtained from the internal heat of a planet

(From Greek geo- “earth” + -thermē “heat,” geothermal means heat or energy from a planet’s interior.)