Match the Scientist with His Contribution

question 16

Multiple Choice

Match the scientist with his contribution.
-Max Planck

• A)Proposed that the electrons inside of an atom could only have specific, discrete amounts of energy.
• B)Proposed energy quantization to explain the energy characteristics of light emitted by heated objects.
• C)Developed the model of an atom.
• D)Suggested the existence of a tiny, massive positively charged nucleus.

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Definitions:

Upper Respiratory Tract

The part of the respiratory system that includes the nose, nasal passages, pharynx, and larynx, which serve as entryways for air into the body.

Pharynx

A muscular tube that connects the mouth and nasal passages to the esophagus and larynx, serving both respiratory and digestive functions.

Larynx

The voice box located in the neck through which air passes to the lungs, and contains vocal cords that produce sound.

Sinuses

Air-filled cavities located within the bones of the face and skull, connected to the nasal cavities.