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mrs.gregos
science exam
Question | Answer |
---|---|
independant variable | the factor that is changed |
dependant variable | the factor that is changed or meaured because of the independant variable |
repetition | when an activity is repeated by the same person |
replication | when an activity is repeated by a diffrent person |
model | can be a visual or mathematical representation of an object or system |
model limitations | how much a model can do |
theory | a well supported explaination of nature |
law | scientific theories attempt to explain how things happen |
tempeture | a measure of the average kinetic energy of all the particles in an object |
law of conservation of energy | states that energy cannot be created or distroyed |
convection | the movement of matter that result in diffrence in dencity caused by variations in tempature |
evidence for contenental drift | the earths peices can fit in to the creases of the diffrent continent |
rock cycle | when rocks change from on state to an other |
wave | a disturbance that transparts energy from one place to another with out the object moving the entire distance |
lithosphere | the outermost rigid layer of the earth |
divergent boundries | plates that pull apartand make a normal fault |
connvergent boundries | plates that collide and make reverse faults |
weathering | the process by which water, wind, and ice change in tempeture and breaks down rock |
erosion | the process by which sediment is moved from one place to another |
deposition | the process by which sediment has come to rest |
cementation | the process by which sediment is compacted togeher |
hot spot | a location where a column of extremely of mantle rock (mantle plume) rises through the athenoshere |