geology

Geology

Magma Formation (Magmatism)

Learning Objectives

• describe where the Earth’s internal heat comes from. 

• describe magma formation and what happens after the magma is formed

Multiple Choice

Molten rock refers to:

• A. magma

• B. lava

• C. volcanic ash

• D. caldera

Multiple Choice

Which of the following statements describes a mineral?

• A. It is natural occurring, organic, solid, with crystal structure, and definite composition

• B. It is man-made, inorganic, solid, with crystal structure, and definite composition

• C. It is naturally-occurring, inorganic, solid, with crystal structure, and definite composition

• D. It is naturally-occurring, inorganic, solid, with crystal structure, and indefinite composition

Multiple Choice

Which among the three rock types are formed due to the melting of rocks brought about by volcanic activities?

• A. Igneous rocks

• B. Sedimentary rocks

• C. Metamorphic rocks

• D. Pleiomorphic rocks

Multiple Choice

Which statement is an example of biological weathering?

• A. A tree in front yard spreads its roots in a sidewalk, pushing the sidewalk up and causing it to crack

• B. Over the course of two years, the top layer of soil at a Bukidnon farm is blown away.

• C. Rainfall collects in a crack in a rock. When the temperature drops, the water freezes cracking the rock

• D. A very large storm occurs along the coast. The waves washed away sands in the shore.

Multiple Choice

Which statement is NOT true for sedimentary rocks?

• A. Sedimentary rocks often have layers showing deposition of sediment at different time periods.

• B. Sedimentary rocks often have fossils trapped within them.

• C. Sedimentary rocks often have layer structures of crystals caused by effect of heat and pressure.

• D. Sedimentary rocks consist of layers of lots of small particles and are often porous.

Multiple Choice

Which of these minerals commonly forms by evaporation of sea water?

• A. Clay

• B. Halite

• C. Feldspar

• D. Quartz

Multiple Choice

What type of rock is formed by heat and pressure?

• A. Igneous

• B. Volcanic

• C. Metamorphic

• D. Rocky

Multiple Choice

What are the three main types of rocks?

• A. Igneous, Sedimentary, and Foliated

• B. Foliated, Non-Foliated, and Volcanic

• C. Volcanic, Metamorphic, and Rocky

• D. Metamorphic, Igneous, and Sedimentary

Multiple Choice

What type of rock is formed by weathering and erosion?

• A. Sedimentary

• B. Foliated

• C. Metamorphic

• D. Igneous

Multiple Choice

Which would most likely occur during the formation of granite and basalt?

• A. lithification of weathered and eroded materials

• B. solidification of molten materials

• C. exposed to extreme pressure and heat

• D. precipitation of seawater

Open Ended

What branch of science that deals with the history of the earth as recorded in rocks?

Open Ended

What do you call the remains of a plant or animal that existed in a past geological age and that has been excavated from the soil?

Open Ended

Why rock cycle is called a never-ending cycle?

Open Ended

What is the difference between magma and lava?

LESSON 3: Sequel of Magma Formation

Answer Learning activity 1 and 2 from pages 19-20