minerals
bounus
rocks
random
bounus
150
most common minerals
quartz
150
what are two types of rocks that can be used for counter tops
granite
marble
150
what are rocks
a natural solid mixure of minerals or gain
150
what is the softest mineral
talc
150
can rock be liquid
yes
250
people who study the distribution of minerals
mineralogists
250
what are rocks that cool rapidly
extrusive rock
volcanic ash
250
what are the major rock types?
sedimentary
igneous
metamorphic
250
what is climate
the long term average weather conditions that occur in a particular region
250
what is el Nino
the combined ocean and atmospheric cycle that results in weakened trade winds across the pacific ocean
350
what is a mineral
a naturally occurring inorganic solid with definite chemical composition and orderly definite chemical composition and an orderly arrangement of atoms or ions
350
what are some everyday items made out of minerals
concrete
lead
nickel
350
who do you identify igneous rock
texture
composition
350
what is the electromagnetic spectrum
the entire range of radiant energy carried by electromagnetic waves
350
what are at least three theories about the formation of the oceans
god
condensation
comets/asteroids
tectonic plates
450
the hardest mineral on the Mohs hardness scale
diamond
450
what are two objects made from minerals
deodorant
fluoride toothpaste
450
what are intrusive rocks
igneous rock that forms as magma cools underground
450
what percent is fresh water
3%
450
what are the three types of clouds
stratus
cumulus
cirrus
550
what are three or more natural gemstones that can be used as birthstones
diamond, sapphire, emerald, ruby, amethyst
550
what is this place
mexico's cave of crystals
550
what are extrusive rocks
when volcanic material erupts and cools and crystallizes on the earth's surface
550
what is nuclear energy
the energy released from the atomic reactions
550
what is runoff
water that flows over earth's surface