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65 Cards in this Set
- Front
- Back
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variable
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the aspect of the procedure that can change
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inference
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logical conclusion drawn from available evidence and prior knowledge
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dependent variable
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changes in response in another aspect
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gyre
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part of the ocean bounded by a current
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hypothesis
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proposed solution to a problem: if, then, or because
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data
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scientifically gathered information
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Independent Variable
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the aspect of the experiment which is actively manipulated
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observation
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information gathered through the senses
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plastic
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non biodegradable materials floating in ocean gyres
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controlled variable
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aspect of the experiment which must be kept the same, every time the experiment is performed
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What is a fair test?
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A fair test is when all variables except the IV and DV are controlled in an experiment
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atom
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smallest unit of an element that retains the property of an element
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covalent
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shares electrons
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bohr model
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has electrons around nucleus with set orbitals
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ionic
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gives or receives electrons
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molecule
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smallest unit of compounds that retains the properties of compounds
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neutral
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has no charge
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outer shell electron
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participate in chemical reactions
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What does each column on the periodic table have in common?
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As columns go on, the atomic number increases. Every element in compound belongs to 1 element.
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hydrosphere
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lakes, oceans, and rivers
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geosphere
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land
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all gases in the air
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atmosphere
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all living things
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biosphere
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What is a satellite based system that can determine points on earths surface?
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A global positioning system
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What is density?
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mass per unit volume
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Explain the rock cycle
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sediments>sedimentary rock>metamorphic rock>magma>igneous rock (repeats)
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What are the four types of mining?
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Surface
Deep Open Pit Strip |
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Ions
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happen when atoms give or take electrons to form a stable octet
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force
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f=ma
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gravity
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m1*m2/d2
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pressure
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p=force/area
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While any force can be push or pull,_______is a pull while _______&________ are pushes
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gravity/pressure and buoyancy
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What helps a boat float?
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Surface area
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Newton's 1st law
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Inertia-once an object is in motion it will remain in motion unless acted on by an outside force
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Newton's 2nd Law
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f=ma-mass*acceleration
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Newton's 3rd Law
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Action/reaction-for every action there is an equal but opposite reaction
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Modern Atomic Theory-Democritis
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all matter has a simplest unbreakable particle
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Modern Atomic Theory-Dalton
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Revived the idea of atoms thought of them as balls with hook
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Modern Atomic Theory-Thompson
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plum pudding model-positive mass with electrons stuck in it and it could be removed
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Modern Atomic Theory-Rutherford
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proved atoms mostly empty space. Electrons orbit a tiny positive core.
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Modern Atomic Theory-Chadwick
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discovered neutrons, neutral particles in the nucleus
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Modern Atomic Theory-Bohr
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proposed that the atom was like a solar system with eclectrons orbiting the nucleus in a set pattern
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Modern Atomic Theory-Electron cloud configuration
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Electrons orbit nucleus in energy levels not orbitals
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Igneous rock
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rock formed from molten rock,
cools slowly below ground or quickly above ground |
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metamorphic rock
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forms when rock undergores enough heat and pressure to becomre plastic like. It does not melt but atoms rearrange to form new crystals
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sedimentary rock
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forms when small pieces of other rocks become cemented and /or compacted or materials settle from solution
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Qualitative Observation
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very descriptive
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Quantitative Observation
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involves numbers and units
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Calculating weight
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1.) write your mass in pounds
2.)multiply your mass by .452(kg) 3.)Divide your mass by 1000 4.)Multiply it by 9.8m |
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Sinkers and Floaters:|_|
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sinks because it is small and balled up...everything is centered
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Sinkers and Floaters: |_____|
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floats because its wide and not as heavy. Everything is spread out
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______is a force
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Weight
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All_______has gravity
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matter
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Paleontology
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fossil evidence-the same anicent found on continents separated in the Atlantic
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Meteorology
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1)wandering pole rocks
2)warm weather organisms 3)contain glaciers |
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Continental Drift
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-proposed by Alfred Wegener
-stated that continents moved through crustal material |
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Geological
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continuous mountain chains
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Oceanic rock is more_______than continental rock
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denser
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Seismographic reading
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show how deep, and how strong earthquakes are
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The________is broken into a series of segments called plates
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lithosphere
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What did Alfred Wegener call the supercontinent?
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Pangea
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Hot spots and Trenches
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Surveys of the Emperor Sea mounts and Hawaiian Islands show a curve to the Northwest. At the trenches, the sea mounts appear to be sliding into the trench
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Magnetic Striping
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Going away from the mid ocean ridge. The changes are identical.
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Sonar Studies
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Confirm the mid atlantic ridge and reveal a central valley in the ridge.
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Drilling Study
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1) as you go from the mid ocean ridge rocks get older
2) As you go from the mid ocean ridges, sediments get thicker 3)Rocks on the continent have been dated back to 2 million years. The oldest in only 180 million years old |
