Mineral Properties
The ____ and ______ inside the earth means the earth is constantly changing.
heat and pressure
The three types of rocks are:
Igneous, Sedimentary, Metamorphic
How are sedimentary rocks formed?
from sediments that are accumulated over time forming layers.
What does sedimentary rock undergo to become metamorphic rock?
Heat and pressure
How many oceans are on earth
5
Minerals can be identified by their lustre, ______, ______ and cleavage.
streak and hardness
True or false:
Igneous rocks form only from the solidification of lava.
False
What process does sedimentary rocks under go to become a solid rock?
Compaction and cementation
What is weathering?
The breaking down or dissolving of rock from wind, rain and freezing
What is pi?
3.14
The colour of the minerals powder left behind on a tile is the result of testing the minerals _______.
Streak
What is extrusive igneous rock?
What is an example of sedimentary rocks?
Sandstone, Shale, Conglomerates, Limestone, Coal
What is deposition?
the geological process where materials are deposited or built up
Which of these is NOT a group of 4: Ghostbusters, teenage mutant ninga turtles or the scooby doo gang.
Scooby-doo gang
What is cleavage?
Do extrusive igneous or intrusive igneous rocks have hard crystals?
intrusive
What does lustre look at in a mineral?
How shiny the surface is
The geological process in which materials are worn away and transported by natural forces such as wind or water is what?
Erosion
green, yellow, blue and white
True or false:
A mineral is does not occur naturally.
False: they occur naturally
True or false: Sedimentary and metamorphic rocks are derived from igneous rocks.
true
Mohs' scale looks at what of a mineral?
What it can scratch and what scratches it.
What is the principle of lateral continuity?
Assumes that rocks were at one stage joined and continous even through a canyon or river runs between now.
What year did the titanic sink?
1912