Test 4 Chapter 4 Flashcards
The molten rock in the earth’s mantle called?
magma
Decaying plant & animal material in the soil
humus
A material that is a very durable, artificial rock?
concrete
Shmells (smells) like mood (mud) when wet
shale.
A rock that is often used to make chalkboards
slate
what material is used in pencils instead ‘o’ lead
graphite
A person who studies minerals
mineralogist
The hardest substance of all
diamond
A rocklike object that looks like a mudball on the outside but is filled with crystals on the inside
geode
Our most useful metal
iron
The rarest gemstone
ruby
The only metal that is a liquid at room temperature
mercury
the best conductor of electricity
silver
All minerals form a special kind of solid called a
Crystal
A radioactive metal used as a source for nuclear power
Uranium
A lightweight, nonmagnetic, rustproof metal is ______
Aluminum
A scientist who studies the structure of the earth ball is
Geologist
The two types of weathering is _____
Chemical and physical.
Oil in its natural state is
Crude oil or petroleum.
rare, beautiful minerals that are hard, but haven’t yet been polished are
GEMSTONES MUAHAHAHAHAHAHAHAHAHAHA!!!
UNDERGROUND STREam that shoots boiling wATER
GEYser
a person who explores cAVES
splunker
igneous rocks
granite, pumice, obsidian
metamorphic rock
slate marble
