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Competency #11

• Identify the processes involved in learning

Learning Objective b

• b. Revise beliefs based on the results of experiments

Question

Write down your answer to the following question:

Belief : Heavier objects always fall faster than lighter objects

In another question, one or more of the evidence statements below were shown to be in conflict with the above belief.

Evidence Statements
1: A crumpled piece of paper falls with a faster motion than a piece of flat paper, when dropped from a height of 3 feet.
2: A crumpled piece of paper and a baseball, dropped from a height of 3 feet fall with the same motion.
3: A textbook falls with a faster motion than a flat piece of paper, when dropped side-by-side from a height of 3 feet.

Based on the above evidence statements, which of the following should you be most likely to believe?

1. On the moon, heavier objects always fall faster than lighter objects
2. If air is present, heavier objects always fall faster than light objects
3. Heavier objects will fall faster than light objects if air resistance is significant
4. Heavier objects always fall with the same motion as lighter objects

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