Rock Cycle
What type of rock can have layering
Sedimentary rocks
can you identify a rock by the minerals in it?
Yes, the minerals contained in a rock cn help you identify it
what is cleavage?
cleavage is when a rock breaks off smoothly so it has a smoother surface
Does a rock have to be made out of non-organic materials?
Yes, a rock has to be made out of non-organic materials
What type of rock is formed by lava/magma?
Igneous rocks
what type of rock is formed by magma/lava
Igneous Rocks
are all rocks made out of minerals?
no not all rocks are made out of minerals coal is a good example of a rock that is not made out of minerals
What is a fracture?
Fracture is when a rock breaks of rigidly so the surface is very bumpy
what does wethering do to rocks?
breaks the rock down
What type of rock is formed by compaction and cementing of broken pieces of rock?
Sedimentary rock
What type of rock is formed by heat and pressure
Metamorphic rock
Can you identify a rock with its texture?
Yes, the texture of a rock can help you see what it is and where it could have been formed
what does streaking help you with?
It helps you see what type of mineral it is
what are rocks made of?
they are made of a collection of mineral grains that are together in a firm solid mass
What type of rock is made by heat and compression?
Metamorphic rock
when an igneous rock is being formed and the lava/magma cools quickly what is formed in the rock?
crystals
Does the color of a rock matter when trying to identify it?
Yes,it helps you identify the rock
does a mineral have to be naturally occurring?
Yes in order for it to be a mineral it has to be naturally
Are rocks naturally formed or can a rock made in a lab still be a rock?
Rocks have to be naturally made they cannot be made in a lab
what rock type has rock layers
Sedimentary
what happens during crystalization?
formation of crystals at different temperatures
what are the 3 ways to identify a rock?
1 - minerals in the rock
2 - texture
3 - color
can a mineral be organic?
No, all minerals have to be in-organic (never living)
Can rocks be changed with heat?
Yes rocks can be changed by heat that's how metamorphic rocks are made
what rock type is sandstone?
Sedimentary