The Scientific Method / Properties of Earth
Plate Tectonics
Earthquakes
Volcanoes
Rocks and Minerals
100
A ____________ is a conclusion which has been drawn using substantial proof.
What is a law
100
Why would finding similar fossils on coastlines be strong evidence for Continental Drift? What types of species would provide the best evidence: Birds, Fish or land animals?
Animals would be the best evidence for Continental Drift because they are the ones who stay on that part of land.
100
Most earthquakes are caused by
What is plate movement
100
Most volcanoes form due to _________, where one plate is forced under another
What is subduction
100
Most sinkholes in Pennsylvania form when pockets of __________ dissolve away
What is limestone
200
Which of the following is NOT a branch of Earth Science?
What is astrology
200
Can we see the plates moving? How do we know continental drift is occurring?
No we cannot see the plates moving. We know continental drift is occurring because earthquakes and volcanoes.
200
The bending of rocks and snapping back into place when stress is released is known as the
What is Elastic Rebound Theory
200
Ocassionally, volcanoes such as Kilauea form from ________ in the middle of plates
What is hot spots (magma plume)
200
The hardest mineral is
What is diamond
300
A ____________ is a conclusion which has been drawn using observation and repeated testing, but lacks substantial proof
What is a theory
300
Which piece of Continental Drift do you consider strongest? Which do you consider weakest? Explain your reasoning.
What is the piece of continental drift i consider the strongest is similarities in rock layers.
300
The point on the Earth's surface directly above where the earthquake occured is known as the
What is epicenter
300
A “ropy” type of mafic lava which cools slowly is known as
What is pahoehoe
300
The pressing and squeezing out of water and air between sediments is known as
What is compaction
400
In an experiment determining the heating properties of different metals, the ___________ would be the variable
the types of metals
400
Why is oceanic crust thinner, but heavier than continental crust?
Oceanic crust would be thinner but heavier because its full of water.
400
Waves produced by earthquakes are known as _________ waves
What is seismic
400
A substance's ability to resist flow is known as its
What is viscosity
400
Minerals which break along smooth, flat surfaces have the property known as
What is cleavage
500
These imaginary lines run vertically across the Earth and measure distance east and west of the Prime Meridian.
What is longitude
500
Explain one way that Lebanon County has been influenced by Plate Tectonics.
Earthquake a couple years ago.
500
The __________ scale measures the energy or magnitude of the earthquake
What is Richter
500
Jagged mafic lava which has cooled quickly is known as
What is aa
500
This is considered one of the easiest features of a mineral to observe, but is not the best way to identify a mineral
What is color
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