Quiz for Lesson 3.2:Magmatism (MC)

After the magma is formed, it tries to go up in the area with lower pressure and solidifies in the cracks before it can reach the surface. Which of the following processes happened to the magma?

• Magmatism

• Metamorphism

• Plutonism

• Volcanism

After the magma is formed, it tried to go up in the area with lower pressure, comes out of the volcano as lava and solidifies on the Earth’s surface. Which of the following processes happened to the magma?

• Magmatism

• Metamorphism

• Plutonism

• Volcanism

Which of the following is TRUE about igneous rock?

• The larger the crystals in the rock, the slower it solidified.

• The smaller the crystals in the rock, the slower it solidified.

• The larger the crystals in the rock, the lower is the temperature where it solidified.

• The smaller the crystals in the rock, the higher is the temperature where it solidified.

Which of the following processes happens before the solidification of igneous rock?

• Magmatism

• Metamorphism

• Plutonism

• Volcanism

Extrusive igneous rocks are formed on Earth’s surface from

a. magma. b. lava. c. slowly cooling hot solutions. d. sediments.

• Magma

• Lava

• Sediments

• Slowly cooling hot solutions

What are the characteristics of

plutonic type of igneous rocks. (Tick the correct answers)

• Internal

• External

• molten materials

• lava

• Larger crystals

What are the characteristics of

volcanic type of igneous rocks. (Tick the correct answers)

• Internal

• External

• molten materials

• lava

• Smaller crystals