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Batteries of the future- questions

Quiz by מיכה נזרי

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7 questions
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  • Q1

    1. What other reason besides lithium ion batteries being slow and unsafe makes chemists look for a more valid solution? (par. 3)

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    120s
  • Q2

    1. One of the main advantages of lithium ion batteries is that they are incapable of charging and discharging with enough speed.(paragraph 3)

    false
    true
    True or False
    300s
  • Q3

    3. According to paragraph 4, capacitors

    c. degrade over time and their performance suffers

    d. have to be charged over a long period of time

    a. work more slowly than batteries

    b. can charge and discharge in an efficient manner

    300s
  • Q4

    6. Rightmire's "super-capacitors" (par. 7) were more powerful than ordinary capacitors because

    d. the electrodes' surface underwent treatment which made itporous

    c. the size of their internal area was reduced by the use ofactivated carbon

    a. their storage capacity was not affected by the surfacearea of the electrodes

    b. the surface of the electrodes was 10 times smoother

    300s
  • Q5

    9. According to paragraph 9, a good solution to cope with batteries’ disadvantages is

    d. constant recharging and discharging of the batteries

    a. supersizing conventional rechargeable batteries

    c. compensating for the slow release of their energy byexcess capacity

    b. using ultra-capacitors in addition to batteries

    300s
  • Q6

    3. The word “these” (par. 3, line 6) refers to

    b. lithium Ion batteries

    a. tiny separators

    c. fault

    d. components

    60s
  • Q7

    6. The word “short-lived” (par. 8, line 2) is used as

    an adverb

    an adjective

    a noun

    a verb

    60s

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