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- 1. Multiple Choice
Earth's plate movement is thought to be the result of
rotation of the mantle around the core
convection currents
the jet stream
density differences between the mantle and core.
- 2. Multiple Choice
Which of the following causes Earth's tectonic plates to move?
Energy from the Sun
Magnetic Pole Reversal
Convection currents in the mantle
Faults in Mountain Ranges
- 3. Multiple Choice
What causes convection currents?
Hot magma rises while cool magma sinks
The rotation of the Earth
Ocean currents pulling plates apart
The spinning of the Earth's core
- 4. Multiple Choice
Which is the layer of the Earth that experiences convection and drives the movement of Earth’s tectonic plates?
A
B
C
D
- 5. Multiple Choice
What is the Theory of Continental Drift?
New continents are continually being created
and destroyed.
The layout of the continents is the same today
as it has always been
The continents have always been separate but
may one day drift together to form a single
continent
All the continents were once one continent that
broke up and drifted apart over hundreds of
millions of years
- 6. Multiple Choice
Where does magma rise to the top to become new crust?
one plate splits into two distinct plates
one plate grinds against another plate
two plates separate and move apart from one
another.
two plates meet and collide with one another.
- 7. Multiple Choice
According to the continental drift hypothesis, the presence of similar fossils in South America and Africa supports which scientific idea?
Animals easily and frequently travel from Africa to South America.
Species of animals probably traveled between continents on natural rafts (such as trees destroyed in tsunamis).
Land bridges once existed that connected the continents.
South America and Africa were once connected together.
- 8. Multiple Choice
What does the theory of continental drift state?
The continents were once joined in a super-continent and have moved over time
Continents are stationary and do not move
The Earth is broken into lithospheric plates that move due to convection currents
none of the above
- 9. Multiple Choice
What is this a picture of?
plate tectonics
pangea
continental drift
glacier scaring
- 10. Multiple Choice
According to Wegener's hypothesis of continental drift,
Earth's surface is made up of seven major landmasses
the continents DO NOT move
Earth is slowly cooling and shrinking
the continents were once joined together in a single landmass, and these plates will continue to move.
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