Rocks/Minerals
Earth's Structure
Lassen
Random!!
Volcanoes
100

An igneous rock that cooled below the surface of the crust.

What is intrusive?

100

A super-continent said to exist over 200,000,000 years ago. 

What is Pangaea?

100

A Pika's diet.

What are flowers, grasses and/or plants? 

100

A natural, solid substance with a chemical formula and crystal structure

What is a mineral?

100

Where magma drains away underground, creating a long, hollow passage.

What is a lava tube?

200

How a mineral reflects light.

What is Luster?

200

The layer of the earth that is made up of liquid iron and nickel.

What is the outer core?

200

The last year the Cindercone erupted.

When in 1666?

200

A process in which earthen materials are worn away and transported by natural forces such as wind, water, or ice (or humans, animals, etc).

What is erosion?

200

Igneous rocks that are ejected from volcanic activity.

What are cinders?

300

The mineral limestone made from.

What is calcium carbonate?

300

The title of deepest part of our world's oceans.

What is the Mariana trench?

300

A place where super-heated water rises up into boiling springs, mud pots, and steam vents.

What is Bumpass Hell?

300

It’s the idea that, long ago, the whole Earth was covered in a giant ocean of magma (molten rock). Over time, the surface cooled and hardened into a crust of basalt and granite.


What is Hot Earth Theory? (or plutonism)

300

An enormous volcano that is built over time with alternating layers of lava flows, volcanic ash, and cinders.

What is a composite (or strata) volcano?

400

The mineral that often survives erosion and becomes tiny grains of sand.

What is quarts?

400

This occurs when a continental plate and an oceanic plate converge.

What is subduction?

400

The only thing that can live in the Lassen sulfur pots.

What is bacteria?

400

The main factor that determines if crystals will form in igneous rocks.

What is the length of time to cool?

400

The area surrounding the Pacific tectonic plate where many volcanoes and earthquakes occur. 

What is the Pacific Ring of Fire?

500

To fall (usually in layers) on the ocean, lake, or river floors.

What is "deposit"?

500

This occurs/forms when two oceanic plates diverge.

What is an oceanic ridge? (Or what is new crust?)

500

The quality of the lava rock that makes the water from Burney Falls able to travel through it.

What is porous? 

500

Slate, gneiss, marble, and quartzite. 

What are metamorphic rocks?

500

A cindercone volcano in Mexico that erupted in 1943, demolishing two towns and terrifying the farmers in the fields.

What is Pericutin?

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