Plate Tectonics Quiz

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Formation of Earth and Plate Movement

First and Last Name *

Before there was evidence from rocks and fossils, many scientists theorized that the continents were once joined together. Using only maps, these scientists observed that - *

5 points

the continents were all bordered by mountain ranges

the ocean's have become smaller throughout Earth's history

the shapes of the continents allowed them to fit together

weathering and erosion have reshaped the surface of the Earth

Which of the following provides evidence for past tectonic plate motions? *

5 points

Matching rock type and rock formations can show the way the continents were once attached

Glacial evidence has been found in areas where glaciers could exist if the continents were in their current location.

Ancient life forms preserved as fossils can tell us what organisms existed and were they were. Matching the fossils can show that land masses were once connected.

all of the above

The distribution of fossils is used as evidence for plate tectonics. The distribution of four different fossil organisms over three different continents is shown in the diagram. The distribution of which organisms can be used as evidence that Africa was once connected to South America? *

5 points

Lystrosaurus, Mesosaurus, and Glossopteris

Cynognathus, Mesosaurus, and Lystrosaurus

Glossopteris, Cynognathus, and Mesosaurus

Cynognathus, Glossopteris, and Lystrosaurus

By studying the distribution of different types of fossils, geologists have determined that some plates have traveled great distances. Evidence to support this comes from the fact that – *

5 points

some fossilized organisms have only been found on one continent

the oldest known fossils, found in the deepest rock layers, represent ocean organisms

species of organisms in the fossil record have changed over geologic time

fossils of organisms that lived in warm climates have been found in arctic environments

The theory of plate tectonics was, at first, rejected by most scientists. Now most geologists accept that tectonic plates exist and that these tectonic plates can and do move. What is responsible for the change in how scientists think about plate tectonics? *

5 points

Scientists can now travel underneath the plates and observe their motion.

Tectonic plates have begun to move faster and faster over time.

There are more people studying science now than in the past.

New evidence was discovered that made scientists revise their ideas.

The inner core is solid because *

5 points

it is less dense than the other layers

Harry Potter put a spell on it

it is made of diamonds

the pressure and temperature are so high

Which layer generates the Earth's magnetic field? *

5 points

crust

asthenosphere

inner core

outer core

Broken pieces of the lithosphere that move on the asthenosphere *

5 points

continents

plates

abyssal plains

ocean floor

Earth's layers transition from one layer to the next due to different *

5 points

distances

weights

volumes

densities

Which of Earth's layers is made mostly of iron? *

5 points

crust

asthenosphere

mantle

inner core

Pompeii was related to our study of plate tectonics because Mt. Vesuvius is located *

5 points

on a divergent boundary

on an ocean-ocean convergent boundary

on a transform boundary

on a ocean-continent convergent boundary

In Lincoln City we are next to a ______________ convergent subduction zone. *

5 points

ocean to ocean

continent to continent

transform

ocean to continent

The most visible feature of the Juan de Fuca subduction zone is *

5 points

underwater mountain ridges

strike slip faults

island arcs

volcanic mountain ranges

New land (new seafloor and Iceland) is created under the ocean at divergent boundaries when *

5 points

two plates collide and the less dense goes under the more dense

magma rises, comes through the sea floor, and pushes two plates apart

two plates collide and mountains are pushed up

Oceanic and continental plates move because _____________ currents are moving under them. *

5 points

convection

constructive

conduction

correction

The image below is an example of which type of boundary? *

5 points

fault

divergent

convergent

transform

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