CS_5_QUIZ_2

Which of the following statements is NOT TRUE about Igneous rocks?

• It formed crystals.

• It can be glassy in appearance.

• It is formed from magma.

• It can be formed from an existing rock.

IDENTIFICATION:

It is the building blocks of rocks that is naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties.

(a)  

Obsidian is a rock formed through fast solidification on air when a volcano erupts. What type of rock is obsidian?

• Extrusive Igneous Rocks

• Intrusive Igneous Rocks

Which of the property of minerals in shown if a rock breaks into an irregular shape?

• Color

• Fracture

• Hardness

• Cleavage

What is needed in order to form metamorphic rocks?

• Heat and Air

• Pressure only

• Temperature only

• Heat and Pressure

Which statement is true about all agents of erosion?

• They transfer large sediments faster than smaller ones.

• They erode moist materials more easily than dry materials.

• They pick up sediments only when they have enough energy.

• They carry rock materials from a lower elevation to a higher elevation.

Which type of rock is made when sand, particles of rock, bits of soil, and remains of once-living things are pressed together?

• Sedimentary Rocks

• Igneous Rocks

• Metamorphic Rocks

IDENTIFICATION:

What is the process that define as the series of changes that creates and transforms rocks.

(a)  

TRUE OR FALSE.
Minerals have definite chemical composition.

• TRUE

• FALSE

What term means that a mineral CANNOT form from materials that were once part of a living thing?

• Solid

• Inorganic

• Naturally occurring

• definite chemical composition