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High School Set 7 (2013) - Round 7 - Question 12

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TOSS-UP: Physics Multiple Choice

A wire carries a current of 2 amperes vertically upward. What is the magnitude and direction of the magnetic field in teslas produced by the wire 4 millimeters to the North of the wire?

  • W. 1 x 10-4, West
  • X. 1 x 10-4, East
  • Y. 2 x 10-4, West
  • Z. 2 x 10-4, East
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Middle School Set 15 (2021) - Round 8 - Question 11

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BONUS: MATH Short Answer

What is the area of a circle that circumscribes a rectangle with sides of lengths 12 and 14?

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High School Set 1 (2009) - Round 3 - Question 19

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BONUS: EARTH SCIENCE Multiple Choice

Which of the following is LEAST accurate regarding earthquakes:

  • W. scientists agree that mega-quakes of magnitude 10 are very likely in the near future
  • X. the world’s greatest earthquake zone is the circum-Pacific seismic belt
  • Y. Alaska has the greatest number of earthquakes in the U.S.
  • Z. deep earthquakes are much less likely to be followed by aftershocks than shallow earthquakes
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High School Set 15 (2021) - Round 6 - Question 4

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BONUS: MATH Short Answer

A line is represented parametrically by the equations x = 3t + 5 and y = –2t – 7. What are the slope and the y-intercept of this line?

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Middle School Set 4 (2010) - Round 1 - Question 11

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BONUS: ENERGY Multiple Choice

Biodiesel, which is another form of biomass energy, is obtained from:

  • W. Food products, including vegetable oils and animal fats
  • X. Refining the available diesel
  • Y. Combining diesel with extractions from mineral beds
  • Z. Using a plant's photosynthesis (read as: fōe-tōe-SIN-teh-sis) process
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Middle School Set 4 (2010) - Round 6 - Question 13

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TOSS-UP: PHYSICAL SCIENCE Short Answer

What happens to the freezing point of water as salt is added to it?

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High School Set 6 (2012) - Round 3 - Question 15

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TOSS-UP: BIOLOGY Multiple Choice

Which of the following statements best describes the thermodynamic effect of an enzyme on the reaction it catalyzes?

  • W. The energy level of the reactants is decreased in the presence of the enzyme
  • X. The activation energy of the reaction is decreased
  • Y. The activation energy of the reaction is increased
  • Z. The ΔG [delta-G] between products and reactants is decreased
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High School Set 7 (2013) - Round 4 - Question 13

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BONUS: Earth and Space Multiple Choice

What is the term for a crescent-shaped sand dune with horns pointed downwind?

  • W. Barchan [bahr-KAHN]
  • X. Traverse
  • Y. Parabolic
  • Z. Longitudinal
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Middle School Set 12 (2018) - Round 1 - Question 9

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BONUS: PHYSICAL SCIENCE Short Answer

What is the IUPAC name of AgNO3?

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High School Set 9 (2015) - Round 5 - Question 1

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BONUS: Chemistry Short Answer

What is the chemical formula for hypophosphorous [high-poh-fos-fohr-uhs] acid?

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