Plate Tectonics Day 2

Let's get started!

Make sure to have your notebook ready!

Is this quizizz for a classwork grade?....Why not!

Multiple Choice

Based on evidence from land features, fossils and climate, Wegener concluded that continents

• sink

• rise

• move

• don't do anything

Multiple Choice

All of the continents were joined together in a supercontinent that Wegener called

• Pangaea

• Gondwanaland

• The Republic of Texas

• Disneyland

Earth's Layers

Let's look at how earth is divided into layers.

We will focus on the Lithosphere and Asthenosphere.

Glue your diagram in your notes.

Lithosphere, Asthenosphere & Tectonic Plates

• The lithosphere is broken into tectonic plates

• These plates are not connected - they move slowly around the surface of the earth

• The plates "float" on top of the asthenosphere

​What do you notice about the oceanic crust vs the continental crust?

Why do you think this is?

Multiple Choice

The lithosphere includes the _____ and part of the _____.

• core, crust

• mantle, core

• crust, core

• crust, mantle

Dropdown

The ​

Select answer

is made up of two types of crust. ​

Select answer

​ crust is thicker but ​

Select answer

dense. ​

Select answer

crust is thinner and ​

Select answer

dense.

You will make predictions while observing a demonstration.

​

Gatorade Predictions

Open Ended

Make a prediction with what will happen to the liquids in the bottle once the sheet is removed.

Open Ended

Make a prediction with what will happen to the liquids in the bottle once the sheet is removed.

How does this relate to plate tectonics!?

Our earth moves! We have many pieces of evidence for this some we can even feel; like earthquakes. So what is causes the movement? Magma! Deep in the Earth, molten rock churns as it heats and cools in convection currents. This moves the crustlike plates on top, and even creates and new and destroys old plates. *VIDEO TIME*

Glue your diagram into your notebook.

• Convection currents in the asthenosphere drive the movement of lithospheric plates

Multiple Choice

What is the force that moves the continents?

• Conduction

• Convection

• Radiation

• Conveyor belts

Multiple Choice

The movement of the tectonic plates is caused by

• the rotation of the Earth.

• convection currents in the Asthenosphere

• the gravity of the iron-nickel core.

• convection currents in the Lithosphere

Multiple Choice

When molten material is cooled in the mantle it becomes more dense and sinks.

• True

• False

Multiple Choice

When molten material is heated in the mantle it becomes ____________?

• More dense and sinks

• Less dense and rises

Multiple Choice

How does rock that is closer to a mid-ocean ridge compare to sediment that is farther away?

• It is larger.

• It is smaller.

• It is older.

• It is younger.