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High School Set 10 (2016) - Round 1 - Question 6

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TOSS-UP: Earth and Space Multiple Choice

What layer of the Earth’s atmosphere contains approximately 75% of its air mass?

  • W. Troposphere
  • X. Mesosphere
  • Y. Stratosphere
  • Z. Thermosphere
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High School Set 10 (2016) - Round 1 - Question 6

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BONUS: Earth and Space Short Answer

Identify all of the following three statements that are true of seismic waves: 1) P waves are compressional; 2) S waves travel through fluids; 3) P waves travel faster than S waves.

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High School Set 10 (2016) - Round 1 - Question 7

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TOSS-UP: Energy Short Answer

Uranium pellets that are sealed into fuel rods are composed of what specific uranium compound?

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High School Set 10 (2016) - Round 1 - Question 7

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BONUS: Energy Multiple Choice

What technology provides the vast majority of the worldwide grid energy storage capacity?

  • W. Liquid or compressed air
  • X. Lead-acid, nickel-cadmium and sodium-sulfur batteries
  • Y. Hydroelectric pump storage
  • Z. Superconducting magnetic energy storage
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High School Set 10 (2016) - Round 1 - Question 8

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TOSS-UP: BIOLOGY Multiple Choice

Which of the following best describes how oxygen is stored in the muscles?

  • W. Spread throughout
  • X. Bound to hemoglobin
  • Y. Bound to calmodulin
  • Z. Bound to myoglobin
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High School Set 10 (2016) - Round 1 - Question 8

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BONUS: BIOLOGY Multiple Choice

Which of the following examples is NOT evidence for evolution from a common ancestor?

  • W. All living things have basic cell processes that are similar and use similar molecules
  • X. Hox genes, or homeotic genes, control vertebrate body plans and are homologous in all vertebrates
  • Y. Even though snakes don't have legs, some snake embryos have limb buds during development similar to other reptile embryos
  • Z. Bats and birds both have wings that are adaptations for flying
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High School Set 10 (2016) - Round 1 - Question 9

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TOSS-UP: Physics Multiple Choice

Which of the following is NOT true of laser light?

  • W. It is highly coherent
  • X. It is highly dispersive
  • Y. It is highly monochromatic
  • Z. It is highly directional
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High School Set 10 (2016) - Round 1 - Question 9

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BONUS: Physics Multiple Choice

What type of image is produced by a concave spherical mirror when an object is placed outside its focal point?

  • W. Real and upright
  • X. Real and inverted
  • Y. Virtual and upright
  • Z. Virtual and inverted
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High School Set 10 (2016) - Round 1 - Question 10

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TOSS-UP: Chemistry Multiple Choice

A molecule with the molecular formula C5H12 cannot form which of the following structural orientations?

  • W. Straight-chain alkane
  • X. Branched alkane
  • Y. Cycloalkane
  • Z. Normal alkane
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High School Set 10 (2016) - Round 1 - Question 10

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BONUS: Chemistry Short Answer

In the balanced equation for the combustion of octane, what are the coefficients for carbon dioxide and water respectively?

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