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Science Terms

Across
An educated guess
The basic unit of length in the metric system
This instrument is used to find the mass of an object
Unit of measure of liquid
This layer of the atmosphere contains the ozone layer
This layer of the atmosphere contains weather
Down
The force of weight of tiny air particles
This is the hottest layer of the atmosphere
This makes up 78% of the atmosphere
Unit of measure for mass
The process of steps scientist use to solve problems
The instrument used to measure volume
This is the layer of the atmosphere where meteors burn up