Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
How do crystals form?
|
crystals form from magma and lava. crystals from cooled magma have bigger crystals because it takes longer to cool. Crystals from cooled lave takes a shorter time to cool so it has smaller crystals
|
two ways
|
|
|
What is the Moh's scale
|
It is a scale that determines hardness of minerals
|
|
|
|
The difference between a gem and a mineral
|
A gem is a highly prized mineral because they are rare and beautiful
|
|
|
|
what determines crystal size?
|
If the crystal was formed by magma, the crystals are bigger, if they were formed by lava the crystals are smaller. Ifit takes longer to cool the bigger the crystals are.
|
bigger slower
|
|
|
Know the three types of rocks
|
Igneous rock
metamorphic rock sedimentary rock |
IMs
|
|
|
KNow how the rock cycle works
|
Magma cools to be igneous rock, then weathering and erosion to be sediments, then compacts and cements to be a sedimentary rock, then heat and pressure will make it become a metamorphic rock then melting back to magma, this goes on forever
|
|
|
|
difference between magma and lava
|
Magma is underground and lava is above ground
|
|
|
|
examples of all rocks
|
Sedimentary:coal, halite Metamorphic: quartzite, gneiss
Igneuos: basalt, obsidian |
|
|
|
Types of sedimentary rocks
|
Organic, Chemical, Clastic
|
OCC
|
