Geology

What mineral is used for pencils?

• Graphite
• Galena
• Magnetite
• Quartz

Tags

NGSS.MS-PS1-3

How do you test the hardness of a mineral? 

• Throw it against a wall
• Step on it
• Scratch Test
• Kick it until it breaks

A mineral's resistance to being scratched is called?

• streak
• luster
• hardness
• heft

The ________ measures how hard a mineral is.

• Miller Scale
• Dishong Scale
• Curly Scale
• Mohs Scale

___________ is the color of powdered mineral.

• Luster
• Streak
• Fracture

What is the MAIN way rocks are classified?

• Their color and shapes
• How they form
• Mineral bands
• Where they form

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage

Wind, water, and ice breaking down rock is called

• Erosion
• Deposition
• Compaction
• Weathering

True/False: Igneous rocks can only turn into metamorphic rocks.

• True
• False

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic