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Exercise "Derivation", created by hidalgo (a free exercise to learn English):
Results of the 9 009 people who have taken this test:
Average mark: 25 / 100 Share


Latest member with a 100/100 (perfect mark): gogopet / SWITZERLAND, on Friday 29 January - 12:28:
"I don't know why so many didn't find this exercise easy. Thank you!"


They got a perfect mark


Stats (8420 candidates)
Question 1 passed: 26.4 %
Lise Meitner The * (discover) in 1938 that a neutron could split an atom's core came as a complete surprise.

Question 2 passed: 9.9 %
There was no * (theory) basis on which nuclear fission could be predicted and

Question 3 passed: 11.2 %
none of its * (discover) had the slightest

Question 4 passed: 17.5 %
* (know) of its eventual use in atomic bombs and power plants.

Question 5 passed: 7 %
That much is * (dispute).

Question 6 passed: 14.4 %
The question of who deserves * (recognize) for the discovery is, however, a bone of contention.

Question 7 passed: 14.6 %
Of the 3 * (science) involved, one of them, Lise Meitner, was a woman.

Question 8 passed: 13.5 %
The standard * (explain) which has been

Question 9 passed: 7.6 %
* (critic) accepted, is that she was a physicist and the discovery

Question 10 passed: 17.1 %
depended on chemical experiments. But is this the whole * (true)?

Question 11 passed: 9.2 %
In all * (likely), the reason has more to do with the fact that she was a woman and that she had to flee persecution.

Question 12 passed: 12.9 %
Her exile led to the Nobel committee's * (fail) to recognize her contribution in the discovery of nuclear fission.


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