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Middle School Set 1 (2009) - Round 10 - Question 3

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TOSS-UP: PHYSICAL SCIENCE Multiple Choice

Which of the following MUST change if constructive interference occurs between two light waves:

  • W. compression
  • X. frequency
  • Y. amplitude
  • Z. speed
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Middle School Set 4 (2010) - Round 9 - Question 3

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BONUS: MATH Short Answer

What is the sum of the measures of all interior angles of a regular hexagon and a regular octagon?

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Middle School Set 13 (2019) - Round 12 - Question 16

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BONUS: PHYSICAL SCIENCE Short Answer

How many milliliters of a 0.1 molar hydrochloric acid solution contain the same amount of acid as 2 milliliters of a 12-molar hydrochloric acid solution?

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Middle School Set 10 (2016) - Round 9 - Question 15

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TOSS-UP: LIFE SCIENCE Short Answer

What is the term used to describe the embryonic leaf in a seed?

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Middle School Set 1 (2009) - Round 11 - Question 19

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BONUS: MATH Short Answer

If the point on a graph with coordinates (3, 2) is translated 1 unit to the left and 3 units down, and then another 3 units to the left and 2 units up, what are the new coordinates?

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Middle School Set 3 (2007) - Round 7 - Question 9

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BONUS: GENERAL SCIENCE Short Answer

Giving your answer in meters rounded to the second decimal place, add 2,500 centimeters to 350 millimeters:

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Middle School Set 14 (2020) - Round 15 - Question 18

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TOSS-UP: MATH Short Answer

A triangle has sides of length 10, 8, and 4. Connecting the midpoints of the sides of this triangle forms a smaller triangle. What is the perimeter of the smaller triangle?

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Middle School Set 14 (2020) - Round 11 - Question 12

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TOSS-UP: EARTH AND SPACE SCIENCE Multiple Choice

Phosphorite is an ore rock of phosphate, a common component of fertilizer. Phosphorite typically contains phosphate in what mineral phase?

  • W. Apatite
  • X. Fluorite
  • Y. Muscovite [MUS-cah-vite]
  • Z. Talc
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Middle School Set 14 (2020) - Round 11 - Question 20

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BONUS: EARTH AND SPACE SCIENCE Short Answer

Low-grade metamorphism of shale will transform it into what rock?

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Middle School Set 4 (2010) - Round 9 - Question 1

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BONUS: PHYSICAL SCIENCE Short Answer

Name three types of friction.

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