Ron,age 7,has Been Asked to Balance a Scale with Weights

question 215

Multiple Choice

Ron,age 7,has been asked to balance a scale with weights that can be hooked to the arms of the scale.Ron will probably:

• A) solve the problem through a trial-and-error strategy.
• B) put weights on both sides without considering distance from the center of the scale.
• C) understand the inverse relationship between distance and weight.
• D) put all the weights on one side of the scale.

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Definitions:

Sensation

Sensation is the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment.

Mean

A statistical measure representing the average of a set of numbers, calculated by dividing the sum of all values by the number of values.

Parsimonious Theory

A theory that explains phenomena in the simplest way possible, using the fewest possible assumptions or variables.

Scientists

Professionals engaged in systematic activities to acquire knowledge that describes and predicts the natural world, typically through observations and experiments.