Plate Tectonics Chapter 9 Rogers 8th

Presentation

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Science

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8th Grade

•

Medium

•

NGSS

MS-ESS1-1, MS-ESS2-6, MS-ESS2-5

+13

Standards-aligned

Anna Rogers

Used 11+ times

FREE Resource

22 Slides • 23 Questions

Multiple Choice

What did Alfred Wegener name the huge land mass where all continents were connected?

Gondwana

Laurasia

Pangea

Atlantis

Multiple Choice

What is the main idea of the Continental Drift Hypothesis?

The Earth is flat

Continents are stationary

Continents were once connected and have drifted apart

The Earth is expanding

Multiple Choice

What evidence supports the idea that continents fit together like puzzle pieces?

Climate clues

Fossil clues

Rock clues

All of the above

Multiple Choice

What type of plant fossil is mentioned as evidence for continental drift?

Mesosaurus

Glossopteris

Caledonian

Appalachian

Multiple Choice

Why couldn't scientists drill to the flowing magma according to the document?

The technology was too advanced

The magma was too hot

They couldn't drill far enough

The magma was too deep

Multiple Choice

What technological development was used after WWII to explore the seafloor?

Radar

Echo sounders

Sonar

GPS

Multiple Choice

What type of rock is formed when magma cools on the ocean surface?

Granite

Basalt

Limestone

Sandstone

Multiple Choice

What is the role of the mid-ocean ridge in seafloor topography?

It is a site of sediment accumulation

It is a site of new crust formation

It is a site of crust erosion

It is a site of tectonic plate destruction

Multiple Choice

What is true about the direction of Earth's magnetic field?

It is always constant

It changes every day

It is not constant

It never changes

Multiple Choice

What happens during a magnetic reversal?

The magnetic field disappears

The magnetic field strengthens

The magnetic field reverses direction

The magnetic field weakens

Multiple Choice

How often does Earth's magnetic field reverse?

Every year

Every century

It varies and is not constant

Every decade

Multiple Choice

What is the primary component of basalt that interacts with the Earth's magnetic field?

Silica

Iron

Calcium

Sodium

Multiple Choice

What tool did scientists use to measure and record the magnetic signature of rocks near the mid-ocean ridge?

Seismometer

Magnetometer

Thermometer

Barometer

Multiple Choice

What is the significance of the pattern of normal and reversed polarity in the rocks?

It indicates the age of the rocks

It shows the direction of ocean currents

It records the history of Earth's magnetic field

It measures the temperature of the magma

Multiple Choice

What occurs when more dense plates collide with less dense plates?

The more dense plate floats on top

The less dense plate subducts underneath

The more dense plate subducts underneath, causing earthquakes and volcanoes

Both plates remain stationary

Multiple Choice

What geological features can form at mid-ocean ridges?

Deserts

Volcanoes and earthquakes

Forests

Glaciers

Multiple Choice

What are the features associated with divergent plate boundaries?

Mid-ocean ridges and rift valleys

Earthquakes and San Andreas fault

Subduction zones and mountain ranges

Deep ocean trenches and island arcs

Multiple Choice

Which plate boundary is associated with the formation of the Himalayas?

Divergent plate boundary

Convergent plate boundary

Transform plate boundary

Oceanic ridge

Multiple Choice

What is the process called when materials rise and sink due to temperature changes?

Conduction

Radiation

Convection currents

Evaporation

Multiple Choice

What happens to the density of materials as they cool down?

It decreases

It increases

It remains constant

It fluctuates randomly

Multiple Choice

Which layer of the Earth is the hottest?

Crust

Mantle

Outer core

Inner core

Multiple Choice

What happens during slab pull?

The lithosphere moves like a conveyor belt.

The old crust is pulled down and away from the ridge.

The more dense crust sinks beneath the less dense crust.

New crust is formed at mid-ocean ridges.

Multiple Choice

Which force involves convection currents in the asthenosphere?

Ridge Push

Slab Pull

Basal Drag

Subduction

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