Minerals, Rocks, and Shaping the Earth

What does the term "luster" refer to when describing the properties of minerals?

• The way light is reflected from the surface

• The surface color of the mineral

• How easily a mineral can be scratched

• The color in powdered form

What property of minerals is described by "streak"?

• The surface color of the mineral

• The way light is reflected from the surface

• How a mineral breaks

• The color in powdered form

How is "density" defined in the context of mineral properties?

• How easily a mineral can be scratched

• The way light is reflected from the surface

• Mass divided by volume

• How a mineral breaks

What does "hardness" measure in the context of mineral properties?

• The surface color of the mineral

• The way light is reflected from the surface

• How a mineral breaks

• How easily a mineral can be scratched

Tags

NGSS.MS-PS1-1

What does "cleavage or fracture" describe about a mineral?

• The surface color of the mineral

• The way light is reflected from the surface

• How a mineral breaks

• The color in powdered form

Which type of rock forms from intense heat and pressure?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Magma

Which type of rock is made from compacted and cemented fragments of other rocks?

• Metamorphic rock

• Magma

• Igneous rock

• Sedimentary rock

What is the result of magma or lava that cools and hardens?

• Sedimentary rock

• Metamorphic rock

• Magma

• Igneous rock

Does all rock have to follow a sequential circular path as it goes through the rock cycle?

• Yes, it must follow a sequential circular path.

• No, it does not have to follow a sequential circular path.

• Yes, but only igneous rocks follow this path.

• No, only sedimentary rocks do not follow this path.

Which of the following is a main type of rock?

• Marble

• Sandstone

• Igneous

• Quartz