At What Age Do Children Typically Scribble on Paper

question 5

Multiple Choice

At what age do children typically scribble on paper?

• A) 10-12 months
• B) 2 years
• C) 3 years
• D) 5-6 years

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Definitions:

Working Depth

Working depth pertains to the depth of engagement between two mating gears, specifically the depth to which a tooth enters into the gap between teeth on the opposing gear.

Whole Depth

The total depth of a gear tooth space, from the top of the tooth to the root, in mechanical engineering.

R/Min

Revolutions per minute, a unit of rotational speed indicating the number of full rotations completed in one minute by a mechanical component.

Gear Ratio

The ratio of the number of teeth on two meshing gears, denoting the speed and torque relationship between them.