Mark Is in Third Grade and Has Just Learned How

question 9

Multiple Choice

Mark is in third grade and has just learned how to use a ruler to measure. He has become a measuring fool. He measures everything in the house, writing down all the measurements, and gaily announcing to his mom, "Hey, Mom. Guess what? The salt shaker is four and a quarter inches tall." What level of measurement is this?

• A)Nominal
• B)Ordinal
• C)Interval
• D)Ratio

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Definitions:

Thalamus

A structure in the brain located above the brainstem, that serves as a relay station for transmitting sensory information to the cerebral cortex.

Hormone

Chemical messengers produced by the endocrine glands that regulate various body functions and processes.

Gland

An organ in the body that secretes particular chemical substances for use in the body or for discharge into the surroundings.

Neurotransmitter

Chemicals in the nervous system that transmit signals across a synapse from one neuron to another, influencing mental processes and behavior.