Pangaea
What was Pangaea?
A supercontinent
What "sphere" are the tectonic plates in?
The lithosphere
Name any volcano in Guatemala.
You tell me!
Name the layers in order, from top to center.
Crust, mantle, outer core, inner core
What's the first step of the scientific method?
Asking a question
When did Pangaea break apart?
~200-250 million years ago
Name the two types of plates.
Oceanic and continental
What's the name of the mountain range in the Atlantic Ocean?
The Mid-Atlantic Ridge
Which layer is the thinnest?
The crust
What is the hypothesis?
An educated guess about the outcome of the experiment.
Name two pieces of evidence for Pangaea.
Visual evidence; fossil record; mountain ranges
Name the three types of plate boundaries.
Divergent, convergent, and transform
What is subduction?
When one tectonic plate sinks beneath another
Which layer is the thickest?
The mantle
How do prove or disprove the hypothesis?
With experimental data
True or false: Pangaea is the only supercontinent to have existed.
False
Name two types of landforms or natural phenomena occurring at plate boundaries.
Volcanoes; earthquakes
True or false: the viscosity of lava affects the type of volcano eruption.
True
Which layer is the hottest?
The inner core
Fill in the blank: experiments measure the impact of the independent variable on the ____________.
Dependent variable
What causes continental drift?
The movement of tectonic plates
Why do tectonic plates move?
Convection currents deeper in the mantle (asthenosphere)
What is the Ring of Fire?
A belt of geological activity containing roughly 75% of the world's volcanoes
What is the outer core made of?
Liquid iron and nickel
Why is lab safety important?
Because we don't want to get hurt!