Recent Topic: A Warm, Wet Puzzle – Full test

Computer-based IELTS practice · free

  • •Passage 1: questions 1–13. Time allowed: 20 minutes.
  • •The passage is on the left and the questions are on the right. Each side scrolls separately.
  • •Select words in the passage to highlight them; click a highlight to remove it.
  • •There is no extra time to transfer answers. The test is submitted automatically when time runs out.
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20:00

Passage 1

You should spend about 20 minutes on Questions 1–13, which are based on the reading passage below.

A Warm, Wet Puzzle

Questions 1–6

Which paragraph contains the following information? Choose the correct letter, A–G. You may use any letter more than once.

Paragraphs

A
B
C
D
E
F
G
1a problem that may have been indirectly solved by sulphur
2evidence that water once existed on Mars
3why the early Sun makes a warm Mars difficult to explain
4a comparison with the effect of volcanoes on Earth’s climate
5the importance of the question for the search for life
6the suggestion that Mars was warm only for short periods after impacts

Questions 7–9

Do the following statements agree with the information given in the reading passage? Choose TRUE if the statement agrees with the information, FALSE if the statement contradicts the information, NOT GIVEN if there is no information on this.

7The early Sun was brighter than it is today.

8Computer models show that a carbon dioxide atmosphere alone would have kept Mars warm.

9Samples from Mars have already been returned to Earth.

Questions 10–13

Complete the summary below. Choose NO MORE THAN THREE WORDS from the passage for each answer.

Volcanoes on Mars released sulphur dioxide, a strong . However, in the atmosphere it forms droplets of , which reflect sunlight. Scientists expected to find deposits of carbonate rocks such as , but few exist, possibly because stopped them forming.