The Ultrasonic Cleaner Is Checked to See Whether It Is

question 28

Short Answer

The ultrasonic cleaner is checked to see whether it is working properly by holding a 5-inch by 5-inch sheet of ____________ in the solution for 20 seconds.

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Definitions:

Sensorimotor Intelligence

A stage of Jean Piaget's theory of cognitive development where infants learn about their world through their senses and motor activities.

Social Referencing

The process by which individuals look to others in their environment to obtain cues on how to behave or react to a certain situation or stimulus.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or touched, typically developed in infancy.

Manual Dexterity

The skill and ability to use one's hands to perform complex tasks with precision and coordination.