Rock Hound

What rock is this?

• Schist

• Basalt

• Chert

What rock is this?

• Diorite

• Breccia

• Coquina

The Mohs scale is used to measure:

• streak

• cleavage

• hardness

• luster

Cleavage refers to the way a rock:

• shines

• breaks

• streaks

• is made

What elements would this rock most likely be rich in?

• iron and magnesium

• silicon and oxygen

• sodium and potassium

• aluminum and sodium

Tags

NGSS.MS-PS1-1

What is the first mineral to crystallize in a magma chamber as it cools?

• quartz

• olivine

• mica

Tags

NGSS.HS-ESS2-3

NGSS.HS-PS1-4

By definition, a mineral has which of the following characteristic(s)?

• fixed chemical formula

• crystalline structure

• naturally occuring

• all of the above

Tags

NGSS.MS-PS1-1

What is a 'Rock Hound'?

• A person who collects rocks as a hobby

• A type of geological hammer

• A breed of dog known for digging

• A machine used for crushing rocks

Which of the following tools is commonly used by rock hounds to identify minerals?

• Geiger counter

• Streak plate

• Thermometer

• Microscope

Rock hounds often use the Mohs scale to determine what property of a mineral?

• Color

• Hardness

• Density

• Luster