Rock Weathering
What does weathering do to rocks?
Breaks down rocks
What are the two weatherings that have stress?
Physical and Biolgical
What are sediment rocks?
Small rocks
Fresh lava
magma
How do rocks get their shape?
By Weathering
What are the three types of weathering?
Biological, Chemical, and Physical
Which weathering does not cause stress?
Chemical Weathering
What is compaction?
Pressing things together
Sedimentary rocks are...
sediments compacted with each other
Which kind of engineer focuses on learning about the earth?
A geological engineer
Which weathering causes physical action to break the rock?
Physical Weathering
What are rock stresses?
Causes rocks to squeeze or push against each other
How are Igneous rocks transformed into metamorphic rocks?
Adding heat and pressure
Hardened lava
Igneous rocks
Which kind of engineer is responsible for making sure a bridge is correctly built and designed?
A civil and/or structure engineer
What are two ways that chemical weathering happens?
Acidification, Oxidation, Carbonation, Hydrolysis, and Lichen
What is tensional stress?
Pulls two rocks apart
How do metamorphic rocks change into sediment rocks?
Weathering
How are Metamorphic rocks formed?
Existing rocks are added by heat and pressure
What is the reason that engineers need to know about rocks?
To build safe buildings
Does weathering make rocks harder?
No, it makes them softer.
Why are rocks hard?
Their atoms are bound together
What is one of the key processes in the rock cycle?
Crystallization, Erosion, Sedimentation, and Metamorphism
What is the hardest rock in the world?
Diamond
How do you find the age of rocks?
By finding how much the rocks have decayed