Question

1.7. which of the following would be best done using repeated observation rather than an experiment? (sc.5.n.1.1) a determine whether a toothpick bridge is stronger than a bridge of popsicle sticks. b determine the average number of times during the month of may that cardinals will visit a bird feeder. c determine which type of flower has the most petals. d determine whether using washable markers to color a picture is better than using permanent markers. correct answer: b

Explanation:

Repeated observation is best for recording natural - occurring events without intervention. Option B involves observing the natural visits of cardinals to a bird feeder in May. Options A, C, and D involve comparisons that are better done through controlled experiments.

Answer:

B. Determine the average number of times during the month of May that cardinals will visit a bird feeder.