WorksheetsScience 7 Plate Tectonics Video Worksheet
Total questions: 8
Worksheet time: 4mins
When Alfred Wegener first noticed that the continents fit together like puzzle pieces, this was
an idea
a theory
proof of continental drift
Which of the following is a piece of evidence that Alfred Wegener used to develop and support his ideas? (there may be more than one)
Fossils of the lizard-like Mesosaurus were found in both Brazil and South Africa
Maps of the continental shelf below the ocean's surface show how Africa and South America fit together
There are glacier marks in South Africa
Coal has been found on Arctic islands
Continental drift is the idea that...
Earth's lithosphere has cooled and contracted over millions of years
sections of Earth's lithosphere have collapsed underwater, leaving just the continents
the continents were once part of a single landmass called Pangea
During World War II, what did scientists discover on the ocean floor?
fossils
volcanoes
a new species of shark
Plate tectonics is the idea that...
Earth's lithosphere is made of large pieces, called plates, that cannot move.
Earth's lithosphere is made of large pieces, called plates, that have moved over time.
the continents float on the oceans like pieces of wood float on water.
Which of the following statements about Earth's crust is true?
Earth's lithosphere moves around but is never destroyed.
Old lithosphere falls into the oceans and is destroyed by ocean currents.
Old lithosphere is destroyed and new lithosphere is formed at plate boundaries.
Why are there so many earthquakes in the state of California?
California is located in an area where two plates are sliding past each other.
The ground in California contains a lot of sand and is very unstable.
Large ocean currents sometimes collide with the coast of California.
T/F: The lithospheric plates keep moving and are still moving today.
True
False
