Earth's Layers
What are seismic waves used to study?
A) Earth's interior
B) Ocean currents
C) Plant growth
D) Weather patterns
A. Earth's interior
What is the continuous process by which rocks change from one type to another?
A) Water Cycle
B) Carbon Cycle
C) Nitrogen
D) Rock Cycle
D) Rock Cycle
What is the hardest mineral on the Mohs Hardness Scale?
A) Diamond
B) Quartz
C) Halite
D) Hornblende
A) Diamond
Which mineral property refers to how light reflects off a mineral's surface?
A) Luster
B) Streak
C) Cleavage
D) Hardness
A) Luster
Which layer of the Earth is liquid?
A) Crust
B) Mantle
C) Outer Core
D) Inner Core
What type of rock is formed from cooled magma or lava?
A) Sedimentary Rock
B) Igneous Rock
C) Sediment
D) Metamorphic Rock
B) Igneous Rock
What is the correct definition of a mineral?
A) Any shiny rock
B) A naturally occuring inorganic solid with a crystal structure
C) Anything dug up from the ground
D) A man-made object found in the Earth
B) A naturally occurring inorganic solid with a crystal structure
What is a mineralogist?
A) A type of crystal
B) A person who studies plants
C) A person who sells rocks
D) A scientist who studies minerals
D) A scientist who studies minerals
What is the outermost layer of the Earth called?
A) Mantle
B) Crust
C) Outer Core
D) Inner Core
B) Crust
Which type of rock is formed when existing rocks are changed by heat, pressure, or chemical reactions?
A) Sediment
B) Sedimentary Rock
C) Igneous Rock
D) Metamorphic Rock
C) Igneous Rock
Which mineral property describes how a mineral breaks?
A) Cleavage or Fracture
B) Streak
C) Luster
D) Color
A) Cleavage or Fracture
What is magma?
A) a type of mineral
B) a type of crystal
C) solid rock on the Earth's surface
D) molten rock beneath the Earth's surface
D) Molten rock beneath the Earth's surface
Which layer of the Earth is a hot, semi-solid rock?v
A) Mantle
B) Cruse
C) Inner Core
D) Outer Core
A) Mantle
What is the name for small pieces of rock, minerals, and organic matter that can form sedimentary rocks?
A) Magma
B) Lava
C) Sediment
D) Metamorphic Rock
C) Sediment
Which of the following is an example of a mineral?
A) Quartz
B) Coal
C) Glass
D) Plastic
A) Quartz
How many types of known minerals are there?
A) 3,500
B) 6,000
C) 11,000
D) 4,000
D) 4,000
What does it mean when magma crystallizes?
A) The magma disappears
B) The magma gets hotter
C) The magma turns into gas
D) The magma cools and forms mineral crystals
D) The magma cools and forms mineral crystals
Which type of rock is formed from layers of compressed sediment?
A) Igneous Rock
B) Metamorphic Rock
C) Sedimentary Rock
D) Magma
C) Sedimentary Rock
What is the name for the color of a mineral's powder?
A) Luster
B) Streak
C) Color
D) Hardness
B) Streak
What are the minerals in the Earth's crust called?
A) Magma
B) Silicates
C) Igneous Rock
D) Sediment
B) Silicates