A Scientific Theory Can Be Shown to Be Wrong If

question 21

Multiple Choice

A scientific theory can be shown to be wrong if:

• A) cultural beliefs evolve to contradict it
• B) scientists gather new data that contradicts its predictions
• C) it cannot explain all phenomena
• D) it was first proposed as a conjecture
• E) a majority of people do not accept it

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Definitions:

Thermal Expansion

The increase in volume of a substance due to a rise in temperature.

Electronic Overload Unit

A protective device that monitors the current to motors and disconnects power in case of overload, preventing damage.

Overload Unit Contacts

Components within an overload relay that open or close electrical circuits to provide motor protection against excessive current.

Motor Starter Contactor

An electromechanical switch used to control the power supply to a motor, providing safe start and stop operations.