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Middle School Set 1 (2009) - Round 4 - Question 13

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BONUS: LIFE SCIENCE Multiple Choice

Which of the following best describes a bacteriophage:

  • W. a bacterial virus
  • X. a stage in the development of most bacteria
  • Y. the release of disease-causing bacteria from a host organism
  • Z. a very small bacteria
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Middle School Set 5 (2011) - Round 10 - Question 21

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BONUS: PHYSICAL SCIENCE Short Answer

What is the term for the process by which a gas under pressure escapes through an opening that is much smaller than the distance between gas molecules?

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Middle School Set 11 (2017) - Round 11 - Question 1

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BONUS: ENERGY Short Answer

What is the name of the device that uses hydrogen as a fuel and creates an electric current with the main waste product being water?

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Middle School Set 1 (2009) - Round 11 - Question 24

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BONUS: MATH Short Answer

Find the following product, giving your answer in standard form: (2x + y)(x + y)

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Middle School Set 9 (2015) - Round 7 - Question 21

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TOSS-UP: GENERAL SCIENCE Short Answer

What electrical circuit component is described by a physical property measured in farads?

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High School Set 9 (2015) - Round 9 - Question 12

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BONUS: Chemistry Multiple Choice

Which of the following compounds is produced by the Haber process?

  • W. Sulfuric acid
  • X. Ammonia
  • Y. Sulfur dioxide
  • Z. Nitric acid
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Middle School Set 4 (2010) - Round 7 - Question 3

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TOSS-UP: GENERAL SCIENCE Multiple Choice

Which of the following is an example of an igneous (read as: IG-nee-ehs) rock?

  • W. Flint
  • X. Obsidian (read as: ohb-SI-dee-ahn)
  • Y. Anthracite (read as: AN-thrah-syt)
  • Z. Chalk
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High School Set 9 (2015) - Round 1 - Question 3

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BONUS: MATH Short Answer

If the line tangent to the graph of the function f(x) at the point (1, 3) passes through the point (-1.5, -2), then what is value of the derivative of f(x) when x = 1?

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Middle School Set 6 (2012) - Round 6 - Question 2

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TOSS-UP: LIFE SCIENCE Multiple Choice

Which of the following animals does NOT have a four-chambered heart?

  • W. Mouse
  • X. Frog
  • Y. Bird
  • Z. Crocodile
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Middle School Set 6 (2012) - Round 12 - Question 25

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TOSS-UP: LIFE SCIENCE Multiple Choice

A trans-Pacific flight passenger experiences difficulty adjusting to the difference in time zones. Which of the following supplements may ease the symptoms of jet lag?

  • W. Melatonin
  • X. Progestin
  • Y. Cortisol
  • Z. Thymosin
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