metamorphic rock need these two things to form : heat and pressure or weathering and erosion
What are heat and pressure
100
Only what can form igneous rock: sediments, heat and pressure, or magma or lava
What is magma or lava
100
sedimentary rock can be classified into these two categories : foliated or non foliated or clastic or non clastic
What is clastic or non clastic
100
Most minerals break into rigid, and even pieces . This is called: cleavage or fracture
What is fracture
100
A series of natural processes by which rocks are slowly changed from one kind of rock to another kind of rock is called: rock bank , rock cycle or rock bands
What is the rock cycle
200
The texture of metamorphic rocks can be either or : foliated (with bands)or non foliated (without bands) or clastic or non clastic
What is foliated or non foliated
200
magma that actually reaches the surface is called: hot magma or lava
What is lava
200
a non clastic sedimentary rock is : chalk, conglomerate, pumice
What is chalk
200
what do you call when rocks break down due to wind , ice or rain: erosion or weathering
What is weathering
200
The man who invented a scale designed to rank the hardness of minerals from 1-10 : Fredrick Mohs, FRederick Weiner, Fredrick Orefice
Who is Frederick Mohs
300
metamorphic rock marble used to be what sedimentary rock : limestone, pumice or granite
What is limestone
300
igneous rocks are classified into two groups : foliated or non foliated or clastic and non clastic or intrusive and extrusive
What is intrusive or extrusive
300
What layers of sedimentary rock are the oldest : top layer or bottom layer
What is bottom layer
300
what do you call when sediments are broken down and moved from one place to another: compaction or erosion
What is erosion
300
scientist use what to study the structure of crystals: x-rays, or fossils
What are x-rays
400
Emeralds are formed within metamorphic rock as a result of great : heat or pressure
What is great pressure
400
what rock is made when lava pours onto the ground or onto the ocean floor: marble or basalt
What is basalt
400
Layers of rocks are called : minerals or strata
What is strata
400
luster can be either what or what : metallic (shiny) or non metallic (dull) or intrusive or extrusive
What is metallic or non metallic
400
How many types of crystals are there: 80 0r 6
What is 6
500
Rubies and sapphires are some of the minerals that are formed by high: pressure or temperature
What is high temperature . they are formed when magma comes in contact with limestone
500
What two rock are igneous rocks that do not have crystals because the lava forms too quickly: pumice and obsidian or marble and quartzite
What is pumice and obsidian
500
What two processes affect the formation of sedimentary rock : weathering and erosion, heat and pressure, or heating and cooling
What is weathering and erosion
500
The size of the crystal inside of a rock is called: texture, color or smell
What is texture
500
What is measured by how easy it is to scratch a mineral by using a fingernail, a coin, a glass or a harder mineral: cleavage or hardness