Rocks
This igneous rock is more heavy then it's cousin, Pumice, and is formed from volcanic froth.
What is Scoria?
This mineral's crystals grow in a rhombus, has a tint of yellow and reacts to hydrochloric acid.
What is Calcite?
This volcano is the most common, and has straight vertical pipe of magma on the interior of a mountain.
What is a cinder cone volcano?
A raft of this igneous rock was found floating in the ocean, heading for the Great Barrier Reef.
What is pumice?
This grain sizes ranges from 64 mm to 256 mm.
What is cobble?
This colorful igneous rocks main components consist of mica, feldspar, and quartz.
What is Granite?
This mineral crumbles easily, and has a brass luster. It is also known as Fool's Gold.
What is pyrite?
This volcano is caused by build up of extrusive rock. The hardened lava, tephra, pumice and ash creates a mountain that the lava can spew out of.
What is a Composite volcano?
The changing of climate; the slow depletion of the ozone layer.
What is Global Warming?
Gypsum ranks a two on this scale, and diamonds, 10.
What is Moh's scale?
This sedimentary rock takes millions on millions years to form. Made of organic matter such as plants, it is used to power machines.
What is Coal?
This mineral is often used as an example for the lowest ranking of hardness on Mohs scale. It is also known to contain asbestos, a cancer causing agent.
What is talc?
Usually forming in craters at the top of the crater, this volcano gets it's name from it's semi-circle shape.
What is a lava dome?
When the equator becomes covered by land, this odd and chilly period of time occurs.
What is an Ice Age?
This is the shape of particles in sand.
What is particle roundness?
This sedimentary rock is resembles peanut squares, as it is a cluster of large rocks cemented together by compacted sand.
What is Breccia?
This mineral is known for it's rarity and beauty; it is so hard that is usually used as an example for 10 on Moh's hardness scale.
What is diamond?
When two plates ride over each other, the shock waves create shaky this natural disaster.
What is an earthquake?
This animal's extinction was debated for many years, as at near end of the Mesozoic era, they seemed to disappear.
What are dinosaurs?
This is the neatness of sand, by size compared to other grains.
What is sand sorting?
This igneous rock has a literal name with a hardness of 4-6, and is sometimes considered a sedimentary rock.
What is Tuff?
This mineral glows when under UV-light, and has a similar spelling to a chemical found in toothpaste.
What is Fluorite?
This is a result of an earthquake, when chains of waves rush to land. This mainly occurs in southern Asia, or the Indian Ocean.
What is a tsunami?
This layer of the earth was discovered when seismologist's charts would seem to be intercepted when reaching 1,800 miles (2,900 kilometers) below the surface.
What is the earth's core?
The standard size for measuring any size of sand, usually found in the bottom left corner.