We have five bags of m&ms. They contain 2, 3, 5, 5, and 5 m&ms each. What is the average number of m&ms in each bag?
4
100
The __________ Ocean is currently growing in size due to seafloor spreading
Atlantic
100
A minimum of ________ seismograh stations are required to pinpoint the location of an earthquake's epicenter.
three
100
A “ropy” type of mafic lava which cools slowly is known as ______.
volcanic bombs
100
The most common type of coal found in Pennsylvania is _________ coal, although the state produces more __________ coal than any other state in the United States.
bituminous, anthracite
200
The cooridinates of the point where the Equator crosses the International Date Line are _________.
0 degrees S, 180 degrees W
200
Continental Crust is _________ and __________ then oceanic crust.
thicker, less dense
200
The ________ scale demonstrates the intensity or damage caused by an earthquake.
Modified Mercalli
200
Mafic lava is _____ and _____ than felsic lava.
thinner, darker
200
The two most common resources mined in Pennsylvania are ______ & _______
silver, gold
300
A ____________ is a conclusion which has been drawn using observation and repeated testing, but lacks substantial proof
theory
300
The bending of rocks and snapping back into place when stress is released is known as the _________.
Elastic Rebound Theory
300
The __________ scale measures the energy or magnitude of the earthquake.
Richter
300
Jagged mafic lava which has cooled quickly is known as ______.
aa
300
Minerals have all the following characteristics except ________.
they are organic
400
Define Hypothesis
a prediction to a scientific investigation based on observation and logic
400
What three pieces of evidence did Wegener notice that indicated the Earth's landmasses may have moved over time?
The coasts look like they could fit together and he found the same fossils on both coast lines
400
Of the following, earthquakes of which magnitude occur most often?
What is 2.1
400
Most volcanoes form due to _________, where one plate is forced under another.
subduction
400
What causes holes in some igneous rocks such as pumice?
dissolved gases
500
Explain difference between theory and law
theory - a conclusion after several trials
Law - a conclusion that has been proven
500
hat does the term Pangaea mean?
all earth
500
An increase in one point of magnitude indicates ______ times more wave amplitude than the previous point.
10
500
Occasionally, volcanoes such as Kilauea form from ________ in the middle of plates.