Continental Drift Theory
By just looking at the map, what did Alfred Wegener notice about the continents?
That all the continents fit together like a puzzle piece.
What is the Ring of Fire?
ring around the pacific ocean with a lot of volcano and earthquake activity
Mr. Stuart found a random metal object in hallway that had a volume of 54.4 cm3 and had a mass of 90.6 g. What is its density?
1.67 g/cm3
How fast do plates move?
2-5 cm per year
Are you allowed to use your notes on the test?
yes
What creature was found in both South America and Africa, and lived around freshwater?
Mesosaurus
What are two types of waves produced by earthquakes?
Surface & Seismic waves
You found 20 mL of a random liquid and it had a mass of 22 grams. What is the density of this liquid?
1.1 g/mL
What happens to hot fluid compared to cold fluid?
hot fluid rises and cold fluid sinks due to density
Which plate are we on?
North American Plate
Eastern U.S, England, and Norway has very similar ______ which proves North America and Europe were connected.
Mountain Ranges
Can earthquakes be predicted?
No
Ms. Mahoney found a liquid with a density of 1.1 g/cm3 and a volume of 89 cm3. What is its mass?
97.9 grams
Which is more dense, the lithosphere or the outer core?
Outer Core is more dense
What kind of plate boundary is at the San Andreas Fault?
Transform Boundary
What is one argument that is against Alfred's theory of Continental Drift?
Parallel Evolution
Which travels faster, p-waves or s-waves?
p-waves
What is the volume of an object that has a density of 3.45 g/cm3 and a mass of 90 kg?
26,087 cm3
At a divergent boundary, what is being created?
A mid-ocean ridge is formed due to sea-floor spreading.
What happens at a subduction zone?
Most dense plate goes under the other and Earth is destroyed.
What is the one missing mechanism to prove Alfred Wegener's theory of Continental Drift?
Convection Currents
What is the formula to calculate wave velocity?
v = d/t
A piece of solid substance from deep in the earth is obtained. It has a mass of 140 grams and measured 3.4 cm by 1.72 cm by 2.42 cm. What is its density?
9.9 g/cm3
What type of fault results from two plate colliding (convergent boundary)?
Reverse Fault
What is Ms. Mahoney's favorite sport to play?
Soccer