Rock Cycle
Name that Rock
Plate Tectonics
Plate Boundaries
Constructive & Destructive
100

magma or lava cooling

How do igneous rocks form?

100

Limestone can change to marble due to intense heat and pressure.

What is metamorphic?

100

Causes the plates to move...

Convection currents in the mantle

100

The Himalayan Mountains form at this kind of boundary.


Convergent

100

A process that breaks down Earth's crust such as weathering and erosion.

Destructive

200

heat and pressure

How do metamorphic rocks form?

200

Shale forms when sediments like clay are compacted over many years.

What is sedimentary?

200

The reason why the same fossils and rocks are found on different continents.

They were once connected.

200

The Mid-Atlantic Ridge is splitting apart...

Divergent

200

A process that builds Earth's crust such as mountains at convergent boundaries

constructive

300

Weathering and erosion of rocks

How do sediments form?

300

A volcano erupts and the lava forms obsidian.

What is igneous?

300

Two things that happen at a mid-ocean ridge.

The plates split apart, magma rises, lava forms new crust.

300

The San Andreas fault is moving one side of California North and one side South.

Transform

300

How did this form?  Was it constructive or destructive?

Erosion, destructive

400

Sediments are compacted and cemented together in layers.

How do sedimentary rocks form?

400

A rock that has large crystals and cooled underground.

What is intrusive igneous?

400

Name two natural disasters that happen on the edges of the plates at the plate boundaries.

Earthquakes and Volcanoes

400

This happens when oceanic crust collides with continental OR oceanic crust...

Subduction Trench

400

When a river slows down it drops off sediments.  What is this called & is it constructive or destructive?

Deposition, Constructive

500

Rocks being broken into smaller pieces due to acid in rain...

Chemical Weathering

500

A rock that has crystals and layers indicating how the rock was smashed.

What is metamorphic?

500

Name three of Earth's layers from hottest to coldest...

Core, Mantle, Crust

500

______ - two plates collide.

______ - two plates divide.

Convergent & Divergent

500

This process can build islands very quickly.  What is it and is it constructive or destructive?

Volcano, Constructive