_______________ is the landmass or supercontinent that Alfred Wegener proposed in 1912.

• Laurasia
• Gondwanaland
• Pangaea

The theory of _________________ states that Earth's crust is made up of giant, moving slabs.

• Plate Tectonics
• Continental Drift
• Gravity

Sea-floor spreading is the process by which new ____________ forms.

• sea-floor
• mountain ranges
• rift valleys

Which of the following is NOT a piece of evidence that supported continental drift?

• The shapes of different continents
• The giant volcano in the middle of Europe
• Similar fossils on each continent

Which of the following is NOT evidence for the Theory of Plate Tectonics?

• Mapping the sea-floor
• Mapping locations of earthquakes and volcanoes
• Dinosaurs that only lived in North America

The crust is the layer of Earth that:

• we live on.
• is extremely hot.
• has convection currents.

The crust is broken into pieces called _______________________.

• continental drift
• convection currents
• tectonic plates

A ______________ boundary is where plates move toward each other and collide.

• convergent
• divergent
• transform

A _________________ boundary is when two tectonic plates move away from each other.

• convergent
• divergent
• transform

A ________________ boundary is where two tectonic plates move past one another in opposite directions.

• convergent
• divergent
• transform