Midterm 8th Flashcards
What is breaking on irregular surfaces
Fracture
What is a landslide
Rapid downhill movement of rock
What is breaking down of rock
Weathering
What is organic material that is replaced with rock
Petrifaction
What is a substances ability to be broken by a hammer
Malleability
P waves
Fastest seismic waves
What is An ancient land mass of crystalline rock
Shield
What is rock with visible lines on planes
Foliated structure
What is putty upper mantle
Asthenosphere
What is mantle
Bottom of crust to outer core
What is sedimentary rock and something about wind or ice
Clastic rock
Naturally occurring substance?
Mineral
What is an ore
Naturally occurring rock from metal that is recovered
What is sand or rock into sandstone question
Lithification
How is igneous rock formed
When magma cools and hardens under the earth surface
T or f Dry land is more effected than wetland
T
T or f most minerals are carbonents
False it’s silicate
True or false to ore metal question
True
False or true All organisms become fossils question
False bird will become mOre of a fossil than a worm bc of bones
What sit he difference between a. Rock and mineral
Mineral can in,y have one atom and crystalline structure but rock is hard and has multiple atoms
Soil is made of _____ ______, organic matter ,_____, gases
Rock particles
Water
How is pore space important
Determines how mucha or and water can get into soil
Where is there erosion in ur community
How can u prevent it
Rivers
Form natural places for water to drain
How do geologists determine age of the earth
Law of superposition
How fad into the earth have scientist dug
15 kilometer
What is slow mass wasting process
Soil creep
Name 3 soil types smallest to largest pore space
Clay, silt, then sand
What causes differences in soil composition
Climate
What are the two most abundant elements in the earths crust
Silicon and oxygen
What are less common properties of minerals that geologists use to help in mineral identification (3)
Flexibility smell and taste
Limestone / cave question =
Carbonation
What are ways we can be better stewards of Gods earth
Responsible product use, panting vegetation, and reducing acid rain
What’re three minerals u commonly come I to contact with? Where ?
Gold silver and bronze in Jewlerry
How would a climate change affect North America
Increase = less ice wedging and melting ice causing higher sea levels
Of you had to do am experiment to test both chemical and mechanical weathering what would it be
Chemical = pour acid rain on rocks and see how it reacts Mechanical = put rock in extreme climates and see how if reacts
What is breaking on parallel surfaces
Cleavage
