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37 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are the 3 sub-particles in a atom?
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Protons Neutrons Electrons |
O |
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Protons and neutrons form what massatomic |
Atomic |
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The atomic number is the number of what |
Protns |
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A tiny particle that has no mass and has a negative charge is called what? |
A neutron |
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What are the smallest particles of an element that retains the elements characteristics? |
Atoms |
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Definition of an element |
A part or aspect of something |
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What are the 4 states of matter? |
Solid Liquid Gas Plasma
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What is a mineral? |
Natural materials |
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Define inorganic |
No life |
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What are the 2 types of igneous rocks? |
Extrusive Intrusive |
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Where are extrusive rocks formed? |
Earth's surface |
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What crystal size do extrusive rocks have |
Small because lava cools fast and forms small grain |
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Where are intrusive rocks formed? |
Formed from magma under ground |
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What size of grain do igneous rocks have? |
Large type because it cools slowly. |
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What are 2 things needed to create metamorphic rock? |
Heat and pressure |
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List 4 eras of geologic time in order |
Pre-Cambrian era Paleozoic Mesozoic Cenozoic |
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What era did dinosaurs exist? |
Mesozoic |
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Law of superposition |
Oldest layers are on the bottom |
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Are faults always younger or older than the rocks they cut through? |
Younger |
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Intrusive igneous rock helps us get a relative age of rock strata because it is younger or older ?than the rock if cuts through |
Younger |
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Scientists use radioactive elements in samples to determine the. Age of substancea |
Absolute age |
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Radioactive elements in samples decay at Rates, allowing for accurate dating. |
Constant rate of decay |
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What % of earth does core comprise? |
15 % |
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What % of earth does the mantle comprise? |
84 % |
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What % of earth does the crust comprise? |
1 % |
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What are 3 main layers of earth?core |
Core Mantle Crust |
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5 physical layers of the earth |
Lithosphere Asthenosphere Mantle Outer core Inner core |
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Relative age |
Age of rock compared to other rocks |
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Absolute age |
Estimated age of when rock was formed |
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3 different shapes of volcanoes |
Cinder cone Composite Shield |
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What does cider cone volcano look like?v |
Flat done shape because it regularly throws out ash that builds flat dons shape |
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What does composite volcano look like ? |
Vocal no emits stiff, fast hardening lava that forms high steep sided cones |
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What do shield volcano look like? |
Lava flows over crater rim and forms broad low profile |
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Ring of fire |
Long chain of volcanoes around the Pacific Ocean |
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Difference between lava and magma |
Lava is on earths surface and magma is under earth's surface |
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Hot spot volcanoes form by |
Formed by pressure building up and pushing molten lava up til the earth cracks and lava pours |
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Where do most volcanoes form? |
Mid-ocean ridges Subduction zones |
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