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Middle School Set 4 (2010) - Round 1 - Question 11

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TOSS-UP: ENERGY Multiple Choice

Ethanol is being used as a way to reduce dependence on fossil fuels. Which of the following best describes the production of ethanol?

  • W. Distilling gases available in waste, such as methanol
  • X. Exposing batteries to sunlight
  • Y. Fermenting crops like corn and sugar cane
  • Z. Using broken parts from cars as they get rusty
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Middle School Set 4 (2010) - Round 1 - Question 11

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BONUS: ENERGY Multiple Choice

Biodiesel, which is another form of biomass energy, is obtained from:

  • W. Food products, including vegetable oils and animal fats
  • X. Refining the available diesel
  • Y. Combining diesel with extractions from mineral beds
  • Z. Using a plant's photosynthesis (read as: fōe-tōe-SIN-teh-sis) process
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Middle School Set 4 (2010) - Round 1 - Question 12

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TOSS-UP: GENERAL SCIENCE Short Answer

How many hours of daylight does the South Pole receive on June 21?

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Middle School Set 4 (2010) - Round 1 - Question 12

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BONUS: GENERAL SCIENCE Multiple Choice

Changes in length of daylight are primarily a result of:

  • W. Change in the distance Earth is from the Sun
  • X. Change in the direction the Earth tilts relative to the Sun
  • Y. Change in the Moon's position relative to the Sun
  • Z. Change in how fast the Earth turns on its axis
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Middle School Set 4 (2010) - Round 1 - Question 13

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TOSS-UP: PHYSICAL SCIENCE Multiple Choice

Neutrons are approximately the mass of:

  • W. Protons
  • X. Positrons
  • Y. Electrons
  • Z. Neutrinos
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Middle School Set 4 (2010) - Round 1 - Question 13

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BONUS: PHYSICAL SCIENCE Multiple Choice

Imagine if you could weigh electrons and protons on a simple balance. How many electrons do you need to balance a single proton?

  • W. 18 hundred
  • X. 18 thousand
  • Y. 18 million
  • Z. More than a billion
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Middle School Set 4 (2010) - Round 1 - Question 14

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TOSS-UP: Earth and Space Science Short Answer

What type of boundary is described as two lithospheric plates moving toward one another and colliding?

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Middle School Set 4 (2010) - Round 1 - Question 14

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BONUS: Earth and Space Science Short Answer

The largest volcano on Mars is about 15 miles above the surrounding planes. What is the name of this volcano?

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Middle School Set 4 (2010) - Round 1 - Question 15

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TOSS-UP: MATH Short Answer

Evaluate √8 × 5 × 3 + 1 (read as: the square root of open parenthesis 8 times 5 times 3 plus 1 close parenthesis)

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Middle School Set 4 (2010) - Round 1 - Question 15

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BONUS: MATH Short Answer

Providing your answer as a decimal to the nearest tenth, evaluate |((6x + 3) / -5x)| (read as: open absolute value, open parenthesis 6x + 3 close parenthesis divided by -5x, close absolute value) for x = 6.

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