WVGSA Grade 5 Science Practice Questions - West Virginia General Summative Assessment Grade 5 Science Exam

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A teacher opens a bottle of peppermint oil at the front of a classroom. Two minutes later, students sitting in the back row can smell the scent. How does the particle model of matter explain this observation?

The scent travels as a solid beam across the floor. Scent gas particles move constantly and randomly, colliding with air particles and spreading throughout the room. Scent particles pull air particles toward the front of the room. Scent particles only move when a high-power fan pushes them.

Correct Answer:

Scent gas particles move constantly and randomly, colliding with air particles and spreading throughout the room.

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