Teacher’s Questions for The world of secrets

SCIENCE

Before reading:

  1. Why are secret codes useful? Who might benefit most from using them?

During reading:

  1. Briefly describe how David Walt created glowing E. coli bacteria.
  2. What role does agar play in Walt’s secret code detection?
  3. Explain the three levels of security that Walt’s code system uses.
  4. Name a disadvantage to Walt’s code system.
  5. Give one important purpose of chickadee calls.
  6. What sort of call would you expect a chickadee to make if it spied a fox?
  7. Describe how a smart ph...

Source URL: https://student.societyforscience.org/article/teacher’s-questions-world-secrets