---
title: Venus — how Mova does on the tests · Space
description: Lesson 4 of the space course of Mova's primary school: 5 of 11 tests right, exam 1 of 4, every question with the options, the student's choice, the right answer and why it chose.
---

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[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/school-run/space/4-venus/)

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# Venus

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**Tests:** 5 of 11 right · **Exam:** 1 of 4 right · **Kind:** ★ · **Understood:** 9 of 15 · **Run:** 2026-10-18, commit `f3c23ea72`

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Lesson 4 of the space course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: [the lesson in the corpora](https://md.mova.elamur.ai/free/en/corpora/school/space/4-venus/).

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Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: [the lesson's questions in the corpora](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/).

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### Test 1 · ★ · right ✓ {#t1}

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why's Venus hotter than Mercury when Mercury's way closer??

- **1.** Venus is actually closer to the Sun — score 4
- **2.** Venus's thick carbon dioxide air traps the heat — **← Mova's choice** · **✓ the right answer** · score 12
- **3.** Venus has volcanoes on fire all the time — score 5
- **4.** Venus has a hotter core — no support

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**Why:** It took the question to ask why something happens (its cause). It chose option 2 with score 12, against 5 for the next best. Its support: lesson 4, line 7: «Venus is the hottest planet, with a surface of about 465 degrees Celsius, day and night, poles and equator alike, because its thick carbon dioxide air traps he…», reached through the cause of the sentence the question matched. What matched: the same action «trap» (+4); the same doer «thick dioxide air» (+4); the same thing acted on «heat» (+4). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t1/)

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### Test 2 · ★ · wrong ✗ {#t2}

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A car left in the sun with the windows closed gets hot inside. Why is that like Venus?

- **1.** The car is covered in acid — no support
- **2.** Heat gets in but cannot easily get out — **✓ the right answer** · no support
- **3.** The car spins backwards — score 2
- **4.** The car's metal burns like Venus's rocks — **← Mova's choice** · score 3

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**Why:** It took the question to ask why something happens (its cause). It chose option 4 with score 3, against 2 for the next best. Its support: lesson 2, line 5: «Near the hot young Sun only rock and metal stayed solid, so the inner planets are small and rocky; further out ice could form too, and the outer planets grew i…», reached through the option's own match among the sentences about the question's things. What matched: the same doer «rock» (+2); the same circumstance (+2). Against it: a different action (counts against) (-1). The right option, 2, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t2/)

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### Test 3 · ★ · right ✓ {#t3}

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Why did landers on Venus stop working so quickly?

- **1.** The heat and crushing pressure destroyed them — **← Mova's choice** · **✓ the right answer** · score 6
- **2.** Volcanoes buried them on landing — no support
- **3.** They could not find any light — no support
- **4.** Acid rain dissolved their parachutes in space — no support

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**Why:** It took the question to ask why something happens (its cause). It chose option 1 with score 6, the only option with support. Its support: lesson 4, line 9: «Soviet Venera landers in the 1970s and 1980s survived only about an hour or two before the heat and pressure destroyed them.», reached through a sentence linked to the one the question matched. What matched: the same action «destroy» (+2); the same doer «heat» (+2); the same thing acted on «landers» (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t3/)

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### Test 4 · ★ · wrong ✗ {#t4}

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You stand on Venus (in an impossible super suit). Where do you look for the sunrise?

- **1.** North — no support
- **2.** Straight overhead — score 0
- **3.** East — **← Mova's choice** · score 3
- **4.** West — **✓ the right answer** · no support

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**Why:** It took the question to ask where. It chose option 3 with score 3, against 0 for the next best. Its support: lesson 4, line 11: «Venus spins backwards (astronomers say retrograde) compared with most planets, so on Venus the Sun rises in the west and sets in the east.», reached through a sentence linked to the one the question matched. What matched: it fills the role the question asks for (+3); the same place «east» (+2). Against it: a different action (counts against) (-1); a different doer (counts against) (-1). The right option, 4, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t4/)

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### Test 5 · ★ · wrong ✗ {#t5}

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My dad reported a weird bright light low in the west after sunset as a UFO. What was it probably?

- **1.** The North Star — **← Mova's choice** · no support
- **2.** Venus — **✓ the right answer** · no support
- **3.** A comet — no support
- **4.** Mars — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t5/)

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### Test 6 · ★ · right ✓ {#t6}

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In a film, astronauts land on Venus, open their helmets and breathe. What is wrong?

- **1.** Venus's air is thick carbon dioxide under acid clouds and crushingly hot — **← Mova's choice** · **✓ the right answer** · score 3
- **2.** They should have landed at night when it is cool — no support
- **3.** Only the clouds are wrong, the ground is fine — no support
- **4.** Nothing, Venus has air like ours — no support

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**Why:** It took the question to ask which statement is true. It chose option 1 with score 3, the only option with support. Its support: lesson 4, line 10: «Venus is wrapped in thick clouds of sulphuric acid that hide its surface completely from ordinary telescopes; its surface was mapped by radar, for example by t…», reached through the option's own match among the sentences about the question's things. What matched: the same place «thick clouds» (+2); the same property (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t6/)

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### Test 7 · ★ · wrong ✗ {#t7}

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If you had a birthday every Venus year, would you get more or fewer birthdays than days?

- **1.** Fewer birthdays, because its year is much longer — **← Mova's choice** · no support
- **2.** The same number, they are equal — no support
- **3.** More birthdays, because its year is shorter than its day — **✓ the right answer** · no support
- **4.** No birthdays, Venus has no year — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t7/)

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### Test 8 · ★ · wrong ✗ {#t8}

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Mia says Venus has always been a dead, unchanging world. What did recent studies suggest?

- **1.** Some of its volcanoes are probably still active — **✓ the right answer** · score 4
- **2.** Venus is slowly freezing over, from the poles down — no support
- **3.** Venus has no volcanoes at all, not even any old ones — **← Mova's choice** · score 17
- **4.** Venus has rivers of water flowing on it even today — no support

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**Why:** It took the question to ask what it is done to. It chose option 3 with score 17, against 4 for the next best. Its support: lesson 4, line 14: «Venus has more volcanoes than any other planet, and studies of old Magellan radar images, published in 2023 and 2024, found lava flows that changed, so some ar…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+6); the same doer «venus» (+5); the same thing acted on «more volcanoes» (+4); the same light verb (be, have, do, get, go) (+2). The right option, 1, scored 4. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t8/)

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### Test 9 · ★ · right ✓ {#t9}

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Why does Venus have fairly few craters?

- **1.** Its surface is fairly young, renewed perhaps by lava — **← Mova's choice** · **✓ the right answer** · score 6
- **2.** Its moons catch all the rocks — no support
- **3.** Nothing ever hits Venus — no support
- **4.** Its acid clouds melt all the craters — no support

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**Why:** It took the question to ask why something happens (its cause). It chose option 1 with score 6, the only option with support. Its support: lesson 4, line 15: «Venus's whole surface is quite young, perhaps 300 to 700 million years old, probably covered over by fresh lava, so it has fairly few craters.», reached through the cause of the sentence the question matched. What matched: the same doer «whole surface» (+4); the same circumstance (+4). Against it: a different action (counts against) (-2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t9/)

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### Test 10 · ★ · wrong ✗ {#t10}

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What could Venus teach us about the Earth?

- **1.** That all planets spin backwards — **← Mova's choice** · score 2
- **2.** How a twin-sized planet could lose its oceans and overheat — **✓ the right answer** · no support
- **3.** That planets cannot have water — no support
- **4.** That the Earth is getting colder — no support

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**Why:** It took the question to ask what it is done to. It chose option 1 with score 2, the only option with support. Its support: lesson 4, line 11: «Venus spins backwards (astronomers say retrograde) compared with most planets, so on Venus the Sun rises in the west and sets in the east.», reached through the option's own match among the sentences about the question's things. What matched: the same action «spin» (+2); the same property (+1). Against it: a different doer (counts against) (-1). The right option, 2, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t10/)

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### Test 11 · ★ · right ✓ {#t11}

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That Morning Star in the east before dawn — it's a star, yeah?

- **1.** No, it is the planet Venus — **← Mova's choice** · **✓ the right answer** · no support
- **2.** Yes, it is the closest star — no support
- **3.** No, it is a satellite — no support
- **4.** Yes, it is the Sun's twin star — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/t11/)

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### Exam question 1 · formal language · wrong ✗ {#e1}

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State the principal reason for which the surface temperature of Venus exceeds that of Mercury.

- **1.** It is illuminated continuously on all sides — **← Mova's choice** · no support
- **2.** It is situated considerably nearer the Sun than Mercury — no support
- **3.** It possesses a hotter metallic core — no support
- **4.** Its dense carbon dioxide atmosphere retains heat — **✓ the right answer** · no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/e1/)

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### Exam question 2 · formal language · right ✓ {#e2}

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Which of the following statements most accurately characterises the rotation of Venus?

- **1.** It does not rotate whatsoever — no support
- **2.** It rotates once every twenty-four hours in the usual sense — no support
- **3.** It rotates in the retrograde sense and its day exceeds its year — **← Mova's choice** · **✓ the right answer** · score 6
- **4.** It rotates more rapidly than any other planet — no support

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**Why:** It took the question to ask who or what does it. It chose option 3 with score 6, the only option with support. Its support: lesson 4, line 12: «Venus takes about 243 Earth days to spin once but only about 225 days to orbit the Sun, so its day is longer than its year.», reached through a sentence linked to the one the question matched. What matched: it fills the role the question asks for (+3); the same doer «day» (+2); the same property (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/e2/)

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### Exam question 3 · formal language · wrong ✗ {#e3}

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Ascertain the means by which the surface of Venus has been mapped notwithstanding its clouds.

- **1.** Observation by ordinary telescopes from the Earth — **← Mova's choice** · no support
- **2.** Photography through openings in the cloud layer — no support
- **3.** Radar observation from orbiting spacecraft — **✓ the right answer** · no support
- **4.** Direct survey by crewed expeditions — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/e3/)

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### Exam question 4 · formal language · wrong ✗ {#e4}

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Identify the conclusion drawn from studies published in 2023 and 2024 concerning the geology of Venus.

- **1.** Its surface is covered by liquid water — **← Mova's choice** · no support
- **2.** It possesses no volcanoes of any description — no support
- **3.** Certain volcanoes are probably presently active — **✓ the right answer** · no support
- **4.** All volcanic activity ceased billions of years ago — no support

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**Why:** No option found support in what it remembers, so it guessed: it took the first option shown. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/space/4-venus/e4/)

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- ← previous: [3. Mercury](https://md.mova.elamur.ai/free/en/school-run/space/3-mercury/)
- next →: [5. The Earth as a planet](https://md.mova.elamur.ai/free/en/school-run/space/5-the-earth-as-a-planet/)
- ↑ back to [Space](https://md.mova.elamur.ai/free/en/school-run/space/)