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

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BONUS: MATH Multiple Choice

Which of the following conditions is NOT used for similarity of two triangles?

W. SSS [side, side, side]
X. AAA [angle, angle, angle]
Y. SSA [side, side, angle]
Z. SAS [side, angle, side]

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High School Set 12 (2018) - Round 2 - Question 5

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TOSS-UP: MATH Short Answer

In the expansion of the cube of a + 2b, what is the coefficient of the ab² term?

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Middle School Set 14 (2020) - Round 2 - Question 7

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TOSS-UP: EARTH AND SPACE SCIENCE Multiple Choice

Jasmine observes that there is offset along a North-South running fault running through her yard. She is standing on the Eastern side, and sees that her mailbox across the fault has moved South. What type of fault is this?

W. Thrust
X. Dip-slip
Y. Right-lateral
Z. Left-lateral

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Middle School Set 2 (2008) - Round 2 - Question 5

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BONUS: MATH Short Answer

The following number in Roman numerals is equivalent to what decimal number: C L X X X X I X

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Middle School Set 12 (2018) - Round 2 - Question 16

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TOSS-UP: ENERGY Short Answer

Scientists at Argonne National Laboratory are working to enhance the performance and durability of polymer-electrolyte-membrane fuel cells, while simultaneously reducing their cost. These fuel cells produce electricity through the reaction of hydrogen and oxygen. What is the only chemical that these fuel cells emit?

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High School Set 13 (2019) - Round 1 - Question 22

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TOSS-UP: Physics Short Answer

An electron in a particle accelerator passes through an electric field such that the change in its potential energy is 15 electron-volts. In volts, what is the magnitude of the potential difference in the field from the point where the electron exited to the point where it entered?

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High School Set 12 (2018) - Round 2 - Question 1

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TOSS-UP: Chemistry Multiple Choice

A student is holding two balloons, one containing one mole of hydrogen gas and the other containing one mole of helium gas. What is the ratio of the volume of the helium balloon to that of the hydrogen balloon?