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Middle School Set 1 (2009) - Round 1 - Question 7

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BONUS: PHYSICAL SCIENCE Short Answer

Jeff walks west in a straight path for 100 meters and then east in a straight path for 150 meters. What is the magnitude of his displacement, in meters?

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Middle School Set 12 (2018) - Round 2 - Question 15

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BONUS: EARTH AND SPACE SCIENCE Short Answer

Identify all of the following three statements that are true of our Sun: 1) It is more dense than water; 2) It is a variable star; 3) It rotates about its axis.

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Middle School Set 3 (2007) - Round 2 - Question 12

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TOSS-UP: EARTH SCIENCE Multiple Choice

Rocks that are produced when magma cools and solidifies deep below the Earth's crust are called:

  • W. extrusive igneous
  • X. intrusive igneous
  • Y. extrusive metamorphic
  • Z. intrusive sedimentary
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Middle School Set 10 (2016) - Round 1 - Question 17

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TOSS-UP: MATH Short Answer

If two similar triangles have a scale factor of 2 to 3, and a side of the larger has length 7.5, what is the length of the corresponding side of the smaller triangle?

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

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TOSS-UP: EARTH AND SPACE SCIENCE Multiple Choice

Which of these would lead to the formation of a deep ocean trench?

  • W. Compressional tectonic forces
  • X. Extensional tectonic forces
  • Y. Volcanic activity
  • Z. Hydrothermal activity
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Middle School Set 3 (2007) - Round 2 - Question 13

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TOSS-UP: MATH Short Answer

Change the following mixed number into an improper fraction: 3 5/8

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Middle School Set 8 (2014) - Round 1 - Question 19

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TOSS-UP: GENERAL SCIENCE Short Answer

Which group of plants enclose their seeds within a fruit?

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

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BONUS: PHYSICAL SCIENCE Multiple Choice

Which of the following is true about sound perception?

  • W. The intensity of sound is independent of loudness
  • X. The frequency of sound is logarithmically related to the intensity
  • Y. The loudness of a sound is logarithmically related to the intensity
  • Z. Sounds measured in decibels are independent of the threshold of hearing
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Middle School Set 11 (2017) - Round 2 - Question 10

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TOSS-UP: LIFE SCIENCE Short Answer

In what cellular organelle [organ-ELL] does photosynthesis occur?

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Middle School Set 13 (2019) - Round 1 - Question 20

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TOSS-UP: ENERGY Short Answer

Scientists at Los Alamos National Lab are studying a group of pumps associated with Gram-negative and Gram-positive organisms. These organisms are part of what domain?

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