Biology  by Bradford
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Photosynthesis: grass skirts

20 quick questions on AP Biology topic 3.4 Photosynthesis, each answered in a word or two. Print a sheet for each team, a key for the checker and a tick sheet, then tape the sheets to the board and race.

How it runs

  1. SnipA runner cuts one strip off the bottom of their team’s sheet.
  2. Answer as a pairBack at the table, they write the answer on the strip. No books.
  3. Get it checkedThe checker reads it against the key: you, or a student holding it.
  4. Back for the nextA tick earns the next strip. Wrong? Back to the table to try again.

The questions on this sheet

The checker’s key, with every answer, prints with the sheets.
  1. Green pigment that absorbs red and blue
  2. Inner sacs where the light reactions run
  3. Fluid where the Calvin cycle runs
  4. Make ATP and NADPH on thylakoid membranes
  5. Stroma stage turning CO₂ into G3P
  6. Packet of light energy hitting a pigment
  7. Leaf pores that let CO₂ in
  8. Stacks of thylakoids
  9. Light complex fed electrons from water
  10. Light complex whose electrons reach NADP⁺
  11. Electron carrier spent by the Calvin cycle
  12. Enzyme that fixes CO₂ in the stroma
  13. Early prokaryotes that first released O₂
  14. Splitting of water by light energy
  15. Five-carbon acceptor that CO₂ joins
  16. 3-carbon sugar the Calvin cycle exports
  17. Joining CO₂ to an organic molecule
  18. Helper catching colors chlorophyll misses
  19. Graph of light taken in by wavelength
  20. Chlorophyll a pair that loses electrons

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