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Middle School Set 15 (2021) - Round 1 - Question 13

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BONUS: ENERGY Short Answer

Scientists at Pacific Northwest National Lab are developing NWChem, a computational chemistry software capable of Hartree-Fock, DFT, and TD-DFT calculations. These calculations are primarily concerned with the behavior of what subatomic particle?

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Middle School Set 14 (2020) - Round 1 - Question 16

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TOSS-UP: PHYSICAL SCIENCE Multiple Choice

Laser A has a wavelength of 400 nanometers, and laser B has a wavelength of 800 nanometers. Which of the following is NOT true?

  • W. Light from laser A is blue, and light from laser B is near infrared
  • X. Photons from laser A have half the energy of those from laser B
  • Y. Light from laser A has twice the frequency of laser B
  • Z. Light from lasers A and B travel at the same speed in vacuum
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Middle School Set 15 (2021) - Round 2 - Question 7

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BONUS: ENERGY Short Answer

Researchers at Fermi National Accelerator Lab are studying the interaction of neutrinos with tritium [TRIH-tee-um]. What element in the periodic table is isotopic to tritium?

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Middle School Set 5 (2011) - Round 1 - Question 13

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BONUS: Earth and Space Science Short Answer

By name or number, rank the following sedimentary rocks in order of increasing grain size: 1) conglomerate, 2) sandstone, 3) shale.

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Middle School Set 6 (2012) - Round 1 - Question 13

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BONUS: LIFE SCIENCE Multiple Choice

Which of the following is an adaptation in birds that facilitates flight?

  • W. Hollow bones
  • X. Sharp claws
  • Y. Smooth feathers
  • Z. Small beaks
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Middle School Set 3 (2007) - Round 2 - Question 16

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TOSS-UP: PHYSICAL SCIENCE Multiple Choice

Which of the following is the scientific term for a drink that settles and needs to be shaken to redistribute the particles throughout the drink:

  • W. homogenous
  • X. solvent
  • Y. suspension
  • Z. colloid
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Middle School Set 2 (2008) - Round 2 - Question 1

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TOSS-UP: MATH Short Answer

The sum of all the interior angles of a triangle equals how many degrees?

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Middle School Set 10 (2016) - Round 1 - Question 11

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BONUS: ENERGY Multiple Choice

Which of the following fuel types was used in the past to prevent engine knocking?

  • W. Leaded
  • X. Hydrogenated
  • Y. B20
  • Z. E85
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Middle School Set 8 (2014) - Round 2 - Question 9

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TOSS-UP: PHYSICAL SCIENCE Multiple Choice

The smallest particle that maintains the chemical properties of a compound is called which of the following?

  • W. A molecule
  • X. An isotope
  • Y. A proton
  • Z. An atom
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Middle School Set 12 (2018) - Round 1 - Question 15

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TOSS-UP: EARTH AND SPACE SCIENCE Multiple Choice

Which of the following is considered a mineral?

  • W. Pearl
  • X. Coal
  • Y. Ice
  • Z. Peat
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