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Science
Final
28
Science
9th Grade
12/17/2009

Additional Science Flashcards

 


 

Cards

Term
science
Definition
A way or process used to investigate what is happeing around us
Term
Technology
Definition
application of science to make useful products and tools
Term
Scentific Method
Definition
  1. reconiges a problem
  2. Form a hypothis 
  3. Test the hypothesis
  4. analyze Results
  5. Draw conclusions
  6. communicate Results

 

Term
Hypothesis
Definition
Prediction about a problem that can be tested
Term
Theory
Definition
collection of related hypothosis that have been tested and supported
Term

Independent varble

 

Definition
Varable that you purposly change and test during an experiment
Term
Dependent Variable
Definition
Varable that changes as a result of independent varable (facter being measured during an experiment)
Term
Expemental Group
Definition
group that is tested; contains the independent variable
Term
Control Group
Definition
serves the standard of compasion /nam to test aginst
Term
Alfred wegner
Definition
proposed hypothesis of continental drift
Term
Harry Hess
Definition
propsed theory of seafoor spreading
Term
Continental Drift
Definition
Hypothesis continets drifted slowly to their current locations
Term
Pangea
Definition
supercontint from which all of the continetnts moved from
Term
Seafloor spreading
Definition
thery new seafloor is formed when pangea is forced upward to the surface at a mid-ocean ridge
Term
puzzle like fit
Definition
fossil clues, rock clues,plant clues,climate clues
Term
Rocks younger near
Definition
mid-ocean ridges rocks show magnetic reversal
Term
Theroy that earth
Definition
Earth cust and upper mantle are broken into sections are called plates
Term
lithosphere
Definition
crust and upper mantle (plates)
Term
Asthenoshpere
Definition
plastic-like layer below the lithospher on which the plates float and move around
Term
Divergent boundaries
Definition
plates move apart
Term

Convergent Boundaries

 

Definition
plates move together
Term
Transform boundaries
Definition
plates slide past one another
Term
Convection current
Definition
cycle of heating,rising,cooling,&sinking
Term
normal Fault
Definition
tension force/ rocks above the fault move downward
Term
Reverse fault
Definition
Compression corce/ roks above the fault move upward
Term
strike-slip fault
Definition
shear force / rocks slide past one another
Term
Primary waves
Definition
Fastest/ rocks move back and forth in the direction of the wave
Term
Secondary waves
Definition
rocks move at right angles to the direction to the wave
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