Scientific Thinking and Internet Learning Technologies

This site was designed to be used by high school biology teachers who want to address the nature of science.

Course Units

The Nature of Science: Learning & Memory
The Nature of Science: An Addicted Brain

The Nature of Science: Biological Clocks

Morning Larks and Night Owls Survey



“ARTURO, GET UP! You’re going to be late for school!” Every weekday morning it is the same story at the Rodriguez household. Arturo, who is 15, has to be dragged out of bed, while his sister Maria, who is 8, usually wakes up easily. Mr. and Mrs. Rodriguez are always up at 5:00, even on the weekends and even Maria doesn’t ever sleep in past 8:00. But not Arturo. On the weekends he will sometimes sleep until 11:00 or 11:30 and often doesn’t want to go to sleep until well after midnight. It seems that Arturo is a night owl, and his parents are definitely early birds, while Maria is somewhere in between. Why do the people in this family have such different rhythms? And what about you? Are you an early bird or a night owl? Take this survey to see where you belong.

1. What time would you get up everyday if it were entirely up to you?

  1. 5:30 a.m.-7:30 a.m.
  2. 7:30 a.m.-9:30 a.m.
  3. 9:30 a.m.-11:30 a.m.

2. What time would you go to bed each night if it were entirely up to you?

  1. 8:00 p.m.-10:00 p.m.
  2. 10:00 p.m.-12:00 a.m.
  3. 12:00 a.m.-2:00 a.m.

3. How do you usually feel after being awake for half an hour on a school morning?

  1. Refreshed
  2. Depends
  3. Tired

4. You have to go to bed at 11:00 p.m., how do you feel?

  1. Tired and ready to crash.
  2. Depends
  3. Not tired and usually unable to get to sleep.

5. What time of day do you usually feel your best?

  1. Early part of the day (morning).
  2. Middle of the day (afternoon).
  3. Later in the day (evening).

Of course this is just a rough guide, but your answers can be interpreted in this way: If most of your responses are “A’s,” then you tend to be a Morning Lark. If most of your answers are “B’s,” then you are probably not a lark or an owl. If most of your answers are “C’s,” then it’s likely you’re a Night Owl.

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SCIENCE is the premier scientific research journal in North America. Our materials rely upon information published in SCIENCE, and we are proud of our association with this journal. The editors have granted us the unique privilege of including text and graphics from SCIENCE within this curriculum. What this means is that biology teachers and their students see how the latest scientific research connects to what they are studying.

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