Is air visible?

Is air visible?

This lesson introduces the properties of air.

Physics

Author: Horváthné Kunstár Andrea, Tóth Katalin

Reviewer:

Keywords

air, atmosphere, air pressure, airship, hot-air balloon, physical property, weight, temperature, balloon, weather, weather forecast, experiment, Particles, pressure, Montgolfier brothers, Property, nature study, physics, biology, geography, history

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