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Section 5 Vocab

Atmosphere the envelope of gases surrounding the earth or another planet.
Biosphere the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
Geosphere any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
Hydrosphere all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
Dependent Variable is the event studied and expected to change whenever the independent variable is altered.
Independent Variable variation does not depend on that of another.
Hypothesis proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Scientific Law a statement based on repeated experimental observations that describes some aspect of the universe. A scientific law always applies under the same conditions, and implies that there is a causal relationship involving its elements.
Scientific Theory a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation.
Cleavage A clean break on a mineral
Fracture A jagged break
Hardness How hard a mineral is
Luster How florescent a mineral is
Streak the colour of the mineral when it is powdered
Fractional crystallization the removal and segregation from a melt of mineral precipitates; except in special cases, removal of the crystals changes the composition of the magma.
Partial Melting Minerals that melt before others; creating a slush like substance
Pegmitite a coarsely crystalline granite or other igneous rock with crystals several centimeters to several meters in length.
Compare and contrast mass and weight. Mass is how much there is inside of it, weight is how heavy it is. They are both measurements
Mineral- a naturally occurring, inorganic solid with a specific chemical composition and a definite crystalline structure”. Naturally occurring - happens in nature inorganic solid - not organic Specific Chemical Composition - chemicals it is composed of definate crystalline structure - it is a crystal
Explain what physical properties could be used to tell the difference between Pyrite (Fool’s Gold) and Gold. Check the streak, pyrite's will be green instead of yellow.
5. Given the harness of two different minerals and explain what would happen if they were rubbed together. One of them will more than likely scratch
6. Explain how igneous rocks form. Hardened lava
Created by: sarajohnson