Natural Disasters Volcanoes

Plate Tectonics EASY

100

Tectonic plates move on top of this semi molten layer?

Asthenosphere

200

The cyclical movement of hot rock within the asthenosphere is known as?

Convection currents

300

Name the supercontinent that existed during the time of the dinosaurs about 150 million years ago?

Pangaea 

400

Name this type of plate boundary 

Divergent

500

This geologic feature is associated with what this type of plate boundary (San Andreas)

Transform

Plate Tectonics HARD

100

When two continental plates converge, what type of landform with form at the boundary?

Mountains

200

You are a fish located about 36,000 feet beneath the surface in an area where two oceanic crusts are converging, What tectonic feature are  the fish swimming in?

Trench

300

The Aleutian islands is an island arc along a subduction zone boundary where a deep trench is formed. List the names of the two plates that meet at the Aleutian Islands. 

N. American Plate and Pacific Plate

400

State one location on earth where this type of tectonic boundary is occurring?

Cascades, Andes, Aleutian, Japan, Tonga, Taiwan, RING OF FIRE

500

Name one place on earth where a divergent boundary is seen above the ground?

Iceland, Africa

EARTHS INTERIOR

100

Describe the CRUST

Solid, rocky, outer shell of the earth

200

The layer that separates the solid lithosphere and the hot & gooey asthenosphere is known as the....

MOHO

300

Use arrows to show a model of convection currents

400

Melted Rock located underneath earth's surface is known as?

Magma

500

Which interior earth layers do the oceanic crust subduct into at subduction zones?

Asthenosphere, Mantle

Volcanoes Easy

100

What type of volcano is this?

stratovolcano

200

This type of volcano spews out walnut sized vesicular rocks known as scoria

Cinder cone volcano

300

What type of lava is this known as?

‘A‘ā

400

This type of secondary natural disaster affected the city of Pompeii.

Pyroclastic Flow

500

This secondary natural disaster was a death sentence for thousands after the Nevado del Ruiz eruption in 1985.

Lahar

Volcanoes Hard

100

The composition of this magma is mostly composed of which type of igneous rock?

Basalt

200

Rate these volcanoes in order of explosiveness from least explosive to most explosive.

1. Caldera

2. Shield

3. Cinder

4. Stratovolcano 

1. Shield

2. Cinder

3. Stratovolcano

4. Caldera

300

List the volcanic feature this is known as AND the larger volcano its associated with.

Fissure & Shield Volcano

400

List one way that scientists can predict when an eruption might occur?

They can't be predicted, but things such as ground deformation (lava domes), or increased earthquakes can be signs of an impending earthquake

500

List one thing humans can do to help prevent future loss of life of a future volcanic eruption?

education of locals, build away from volcano, early warning systems, etc