unit 1
when large changes of temperature, pressure, or both cause the texture and mineral content of existing rock to change over millions of years this kind of rock forms.
metamorphic rock
what are the three boundaries called?
divergant boundary, convergant boundary, transform boundary
4.6 billion years ago
a natural disasters and a natural hazards are different because
natural disasters effect people, property, plants, and animals but a natural hazard does not effect many people, property, plants, or animals
name one who, what, and where for polar and temparate
polar: what: cold and dry. who: killer whales, algae, where: south pole
temparate: what: rich soil, who: birds, trees, where: Europe
sediments are compacted or are cemented together by new minerals form this kind of rock
sedimentary rock
what is formed when two plates collide?
mountains
which is smaller: periods or epochs
epochs
scientists can predict exactly when a natural disaster will happen and where: true or false
false
name one who, what, and where for arid and tropical
arid: what: dry and hot, who: cacti, reptiles, where: North Africa
tropical: what: hot/wet, who: trees, bats, where: Asia
cooling magma below ground and cooling lava above ground both form this kind of rock
igneous rock
what happens when two plates slide past one another
earthquakes
which is bigger: eons or epochs
eons
how many types of floods are there
3
name one who, what, and where for mediteranian and tundra
mediteranian: what: mild winters, who: grapes/olives, small nocturnal animals, where: California
tundra: what: very cold, who: grass, wolves, bears, where: North Asia
the mechanical breakdown of rocks into smaller pieces called?
phisical weathering
what forms when two plates collide and one is subducted beneath the other?
volcanoes
how long did the Precambrian time last
4 billion years
scientists can predict the location of an earthquake but they do not know when it will happen: true or false
true
how many climate zones are there?
6
when a rock is softend because of moss, water, etc.
chemical weathering
name earth´s four subsystems
atmosphere, geosphere, hydrosphere, biosphere
earth´s entire history can be broken down into 4 major
eons
kealy is the best: true or false
true
are you going to ace this exam?
yes