Continental Drift
Who proposed the Continental Drift Theory?
Alfred Wegener
What are tectonic plates made of?
Earth’s crust
What powers the water cycle?
The Sun’s energy
Define weathering.
Breaking down of rocks into smaller pieces
Name the three main layers of Earth.
Crust, Mantle, Core
What was the supercontinent called?
Pangaea
Which layer causes them to move?
Mantle (convection currents)
What are the two main types of glaciers?
Alpine and Ice Sheets
Define erosion.
Movement of rock particles by three specific agents
Which layer is liquid?
Outer core
Name one evidence for continental drift.
Fossil correlation
What boundary creates mountains?
Convergent
How do glaciers shape land?
Through erosion and deposition
What causes physical weathering?
Temperature changes or freeze-thaw
What’s the outermost layer called?
Crust
What theory did continental drift lead to?
Plate Tectonics
Name an example of a transform boundary.
San Andreas Fault
Why are glaciers melting?
Climate change / Burning fossil fuels
What is biological weathering?
Rocks broken by plants or animals
Which layer is hottest?
Inner core
What was Wegener’s profession?
Meteorologist/geophysicist
What drives convection currents?
Heat from the Earth’s core
What happens when glaciers melt?
Sea levels rise
Name three agents of erosion.
Water, ice, and wind
What is the mantle made of?
Molten rock or magma