Layers of the Atmosphere Crossword Puzzle

QUESTIONS LIST:

• mesosphere: this layer is the "middle" layer.
• stratosphere: this layer has its own layers inside it.
• weather: a natural pattern seen in the troposphere every day.
• meteor: something that burns up in the mesosphere.
• thermosphere: the aurora borealis can be seen in this layer.
• satellite: this can be found in the exosphere which helps scientists gather information about earth.
• greenhouse: this is the effect that traps heat inside the atmosphere, which keeps the earth warm.
• exosphere: planets and stars can be found in this layer.
• density: the troposphere has the highest _ of gas particles.
• oxygen: this gas makes up 20.9% of all the gas in the atmosphere.
• troposphere: this layer contains the air we breathe.
• ozone: this layer protects the earth from ultraviolet radiation.