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1st Semester

Across
Heat transfer through fluid
Instrument that measures air pressure
Gas in the atmosphere that blocks UV radiation
Substance that consists of one type of atom
Layer of Earth containing the upper mantle and the crust
Last step in the scientific method
First step in the scientific method
Day in which hours of daylight equal hours of nighttime
Phenomenon that forms due to charged particles in the Ionosphere
Down
Layer of the atmosphere closest to Earth's surface
Type of natural resource that can be used up because it cannot be replaced
Mixture in which you can see individual components
Type of boundary where tectonic plates push together
Property describing how a mineral reflects light
Property describing how a mineral will break along straight, clean edges
Thin wispy cloud
Gradual removal of sediment by wind, water, or ice.