You are in Rapid-Fire mode!

Enter to start; Spacebar to buzz; "Esc" to cancel a running question.

High School Set 8 (2014) - Round 4 - Question 18

See the original
Report a problem

TOSS-UP: Energy Short Answer

What equation of electrochemistry can be used to determine the equilibrium reduction potential based on the standard reduction potential, temperature, activity, and reaction quotient?

Click or hit Enter to start
High School Set 6 (2012) - Round 13 - Question 1

See the original
Report a problem

BONUS: BIOLOGY Multiple Choice

While hiking in Arizona, you come over a rise, hear a rattling sound and see a western diamondback rattlesnake coiled and ready to strike. Indicate which of the following physiological responses would NOT occur in you?

  • W. Gluconeogenesis would occur in the liver
  • X. Blood vessels in the gut and skin would constrict
  • Y. Heart rate and blood pressure would increase
  • Z. Adipose tissue would release fatty acids to the blood stream
Click to start
Middle School Set 6 (2012) - Round 6 - Question 6

See the original
Report a problem

TOSS-UP: EARTH AND SPACE SCIENCE Multiple Choice

If illuminated by the same light source, which of the following surfaces will emit the most infrared radiation?

  • W. Asphalt
  • X. Granite
  • Y. Ice
  • Z. A green lawn
Click to start
Middle School Set 15 (2021) - Round 8 - Question 9

See the original
Report a problem

BONUS: ENERGY Short Answer

As a part of the DUNE collaboration, Fermilab scientists are searching for neutrinos that only interact with other matter via gravity. What is the term for these neutrinos?

Click to start
High School Set 13 (2019) - Round 10 - Question 23

See the original
Report a problem

TOSS-UP: Physics Short Answer

In kilometers per second, what is the speed of a ray of light traveling in a medium where the index of refraction is 1.5?

Click to start
High School Set 12 (2018) - Round 13 - Question 12

See the original
Report a problem

BONUS: Chemistry Multiple Choice

Consider a gas-phase reaction where delta-H is less than delta-U. If the reaction is at equilibrium, which of the following changes will ALWAYS shift the reaction mixture to the right?

  • W. Increasing the temperature
  • X. Decreasing the temperature
  • Y. Increasing the volume
  • Z. Decreasing the volume
Click to start
Middle School Set 9 (2015) - Round 12 - Question 7

See the original
Report a problem

BONUS: PHYSICAL SCIENCE Short Answer

Using the appropriate units, what is the momentum of a 14 kilogram bicycle traveling at 2 meters per second?

Click to start
Middle School Set 4 (2010) - Round 7 - Question 17

See the original
Report a problem

TOSS-UP: MATH Multiple Choice

Which of the following is NOT necessarily a regular polygon?

  • W. Square
  • X. Isosceles triangle
  • Y. Octagon with all internal angles of 135°
  • Z. Hexagon with all internal angles of 120°
Click to start
Middle School Set 14 (2020) - Round 4 - Question 2

See the original
Report a problem

TOSS-UP: ENERGY Multiple Choice

Researchers at Lawrence Livermore National Lab are working to develop new reflective optics for use with X-ray imaging. Which of the following wavelengths would be considered X-ray?

  • W. 4 micrometers
  • X. 400 nanometers
  • Y. 40 nanometers
  • Z. 4 nanometers
Click to start
Middle School Set 12 (2018) - Round 2 - Question 17

See the original
Report a problem

BONUS: MATH Short Answer

Three apples and two bananas cost 190 cents. Four apples and one banana cost 170 cents. How many cents will two apples and three bananas cost?

Click to start

Next Question Set