High School Set 8 (2014) - Round 2 - Question 7

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TOSS-UP: Chemistry Multiple Choice

Which of the following is not one of the characteristics of indirect coulometry [koo-LOM-i-tree]?

  • W. Utilizes a constant current source and both indicating and generating electrodes
  • X. Can detect microgram amounts
  • Y. Requires the use of standards even if the current efficiency is known
  • Z. Can use unstable reagents

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Middle School Set 10 (2016) - Round 1 - Question 1

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BONUS: MATH Short Answer

What is the square root of the expression 12 minus 3 plus 4 times 10?

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Middle School Set 7 (2013) - Round 2 - Question 8

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TOSS-UP: PHYSICAL SCIENCE Multiple Choice

Pressure is defined as:

  • W. Force divided by unit area
  • X. Force divided by mass of air above the object
  • Y. Force divided by unit volume
  • Z. Power divided by unit force

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High School Set 7 (2013) - Round 1 - Question 23

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TOSS-UP: Chemistry Multiple Choice

What is the major product in the ethoxide-promoted β [beta]-elimination of 1-chloro-1-methylcyclohexane [1-chloro-1-meth-uhl-sy-kluh-HEK-sayn]?

  • W. Ethanol
  • X. 1-methyl-1-cyclohexene [1- methyl-1-sy-kluh-HEK-sayn]
  • Y. Methylcyclohexane
  • Z. Methylenecyclohexane [METH-uh-leen-sy-kluh-HEK-sayn]

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Middle School Set 2 (2008) - Round 1 - Question 16

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TOSS-UP: MATH Short Answer

What is the cube root of 8?

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Middle School Set 12 (2018) - Round 1 - Question 13

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BONUS: LIFE SCIENCE Multiple Choice

Which of the following terms best describes groups of rabbits, foxes, deer, and birds living in a temperate deciduous forest?

  • W. Population
  • X. Community
  • Y. Habitat
  • Z. Niche

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Middle School Set 9 (2015) - Round 1 - Question 4

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BONUS: MATH Short Answer

Solve the following equation for x: 8 to the 6 - x power = 4 to the x - 1 power?

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High School Set 11 (2017) - Round 2 - Question 6

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TOSS-UP: BIOLOGY Multiple Choice

Which of the following types of bonds link monomers together in a polypeptide?

  • W. Glycosidic [glye-koh-SIH-dik]
  • X. Ester
  • Y. Amide [AM-ide]
  • Z. Ether [EE-thur]

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Middle School Set 1 (2009) - Round 2 - Question 22

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TOSS-UP: EARTH SCIENCE Short Answer

What molecular substance is believed to be the most basic requirement or signature for life to exist on a planet?

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Middle School Set 13 (2019) - Round 2 - Question 9

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BONUS: EARTH AND SPACE SCIENCE Short Answer

Rank the following three reservoirs of Earth's water supply from largest to smallest: 1) Ground water; 2) Lakes; 3) Glaciers

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