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High School Set 15 (2021) - Round 7 - Question 4

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BONUS: Physics Multiple Choice

A dam is holding back a lake that has a water level of 80 meters. A large crack forms at the base of the dam. In meters per second, which of the following is closest to the water speed through the crack?

  • W. 60
  • X. 40
  • Y. 30
  • Z. 10
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High School Set 13 (2019) - Round 5 - Question 1

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BONUS: MATH Multiple Choice

A differentiable function f of x has domain the closed interval from –5 to 4 and range the closed interval from 3 to 12. If f prime of x is less than 0 for all x in the domain, what is f of –5?

  • W. –5
  • X. 3
  • Y. 4
  • Z. 12
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High School Set 9 (2015) - Round 4 - Question 17

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TOSS-UP: Earth and Space Multiple Choice

Which sedimentary rock is impacted by ocean acidification as pH values fall?

  • W. Limestone
  • X. Sandstone
  • Y. Shale
  • Z. Mudstone
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Middle School Set 12 (2018) - Round 8 - Question 15

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TOSS-UP: PHYSICAL SCIENCE Short Answer

How many lone pairs of electrons are present in the Lewis diagram of a water molecule?

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Middle School Set 5 (2011) - Round 4 - Question 12

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BONUS: LIFE SCIENCE Short Answer

What is North America's largest rodent?

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Middle School Set 12 (2018) - Round 2 - Question 2

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BONUS: LIFE SCIENCE Multiple Choice

Which of the following organs is responsible for maintaining blood sugar 4 hours after a meal?

  • W. Skeletal muscle
  • X. Kidney
  • Y. Fat
  • Z. Liver
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Middle School Set 5 (2011) - Round 3 - Question 23

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TOSS-UP: Energy Multiple Choice

The work required to stop a moving car is equal to which of the following?

  • W. Power output of the car
  • X. The car'™s kinetic energy
  • Y. The product of the mass of the car and its acceleration
  • Z. The momentum of the car
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Middle School Set 4 (2010) - Round 5 - Question 5

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TOSS-UP: Earth and Space Science Short Answer

What is the name of the climate phenomena that exhibits conditions opposite to those of an El Niño?

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Middle School Set 1 (2009) - Round 2 - Question 21

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BONUS: PHYSICAL SCIENCE Short Answer

Nitrogen has 7 protons. What is the atomic mass of its common isotope, rounded to the nearest whole number?

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Middle School Set 3 (2007) - Round 1 - Question 3

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TOSS-UP: EARTH SCIENCE Short Answer

What energy source is the primary driver of the Earth's water cycle?

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