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Middle School Set 4 (2010) - Round 1 - Question 18

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BONUS: MATH Short Answer

Express (1/5 + 3.4) / 2 (read as: open parenthesis one fifth plus 3.4 close parenthesis divided by two) as a fraction in lowest terms.

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Middle School Set 13 (2019) - Round 3 - Question 15

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BONUS: EARTH AND SPACE SCIENCE Short Answer

What type of earthquake body waves are longitudinal waves and can therefore pass through liquids and solids?

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High School Set 13 (2019) - Round 6 - Question 7

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BONUS: Energy Short Answer

Researchers at Lawrence Berkeley National Lab are revisiting the BaBar [BAH-bur] collaboration to look for data pertaining to the material that is thought to compose 85% of the mass in the universe. What is the term for this material?

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High School Set 15 (2021) - Round 3 - Question 1

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BONUS: Physics Short Answer

Astronaut A is in a circular orbit with an altitude of one Earth radius above the surface of Earth, while Astronaut B is in orbit with an altitude of two Earth radii above the surface of Earth. What is the ratio of the gravitational force from Earth on Astronaut A to that on Astronaut B?

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High School Set 9 (2015) - Round 6 - Question 14

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TOSS-UP: MATH Short Answer

If 1/x – 1/y = 1/z, what does z equal in terms of x and y?

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Middle School Set 3 (2007) - Round 7 - Question 17

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TOSS-UP: EARTH SCIENCE Multiple Choice

Where does most of Earth's groundwater come from:

  • W. percolation of seawater into underground aquifers where it undergoes natural desalination
  • X. precipitation
  • Y. aquifers that have been there since Earth's origin
  • Z. glacial melting and runoff
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Middle School Set 7 (2013) - Round 3 - Question 14

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TOSS-UP: PHYSICAL SCIENCE Multiple Choice

When a substance contains more of a dissolved compound than can be dissolved by the solvent under standard conditions, it is referred to as which of the following?

  • W. Saturated
  • X. Disaturated
  • Y. Over saturated
  • Z. Supersaturated
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Middle School Set 12 (2018) - Round 4 - Question 23

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TOSS-UP: MATH Short Answer

If a right triangle has an exterior angle of measure 165 degrees, what is the degree measure of the larger of its acute interior angles?

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High School Set 9 (2015) - Round 6 - Question 14

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BONUS: MATH Short Answer

Identify all of the following three numbers that are evenly divisible by eight: 1) 1,256,424; 2) 1,216; 3) 662,322.

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High School Set 14 (2020) - Round 4 - Question 11

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TOSS-UP: MATH Short Answer

A college class contains 15 freshmen, 25 sophomores, and 12 juniors. One of the students receives a phone call during the middle of the class. What is the probability that the ringing phone belongs to a junior?

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