Weathering
What are the two types of weathering?
Physical and Chemical
What is erosion?
When weathered down sediment moves
Deposition is where sediment
Stops
Felsic rocks are...
Light in color
The scale that determines a minerals hardness is called the
MOHS scale
What is the definition of physical weathering?
When something breaks down physically but stays the same chemically
Which of these is not an agent of erosion?
Wind, water, gravity, or chemicals?
Chemicals
Define Conduction
Heat Transfer through touch
Mafic rocks are...
Dark in color
Name one mineral that you need in your body that you don't make
Answers will vary
What is the definition of chemical weathering?
When rocks are broken down on a molecular level
True or false? Water is considered the greatest agent of erosion because rain, flooding, acid rain, and ice all shape the land, and because water is abundant on the Earth.
True
Cycles of heat between hot and cold
Convection
Foliated rocks have...
Stripes or layers
Unlike rocks, minerals are made of only...
one substance.
The Statue of Liberty is very, very green. This is an example of...
Chemical weathering
What is the agent of erosion that is causing your filters to fall and the sand on the beach to shift?
Wind
Cycles of thawing and freezing
ice wedging
This is the only part of the rock cycle in which rocks go through a chemical change due to extreme heat and pressure
metamorphic
Glassy, oily, metallic are all words that describe a mineral's
luster
The leather chairs in the lobby are pretty ripped up. This is an example of...
Physical weathering
Sand dunes are formed by this agent of erosion,.
Wind
Ice wedging is responsible for this annoying road hazard
potholes
Extrusive rocks are igneous rocks that form
outside the earth
Don't be a fool and try to sell this mineral that looks a lot like gold
pyrite