Final Review 1
When Magma reaches Earth's surface it is called
Lava
What is the vertical movement of ocean water that occurs when surface waters are blown offshore and are replaced by colder, deeper, nutrient-rich water?
Upwelling
Crust is destroyed at what type of plate boundary?
Weathering produces rock and mineral fragments known as-
Sediments
What type of sedimentary rock is made of once-living matter?
a. Igneous
b. Chemical
c. Organic
A. organic
The movement of Earth's tectonic plates is caused by-
Convection currents in the Earth's asthenosphere
What type of rocks are granite, basalt, obsidian
Igneous- and granite is the most abundant
What type of rocks are formed from sediment over a really long time?
a. Metamorphic rocks
b. Igneous rocks
c. Sedimentary rocks
d. Meteorite
c. Sedimentary rocks
What type of rocks are formed by great heat and pressure?
a. Metamorphic rocks
b. Igneous rocks
c. Sedimentary rocks
d. Meteorites
a. Metamorphic rocks
What type of rocks are formed when magma or lava cools and hardens?
a. Metamorphic rocks
b. Igneous rocks
c. Sedimentary
b. Igneous rocks
Why is deforestation in the rainforests especially problematic?
a. loss of tourism
b. loss of habitat and extinction of up to 70% of the worlds species
b. loss of habitats and extinction
What type of rocks shale, sandstone, breccia
Sedimentary. sand sediment makes sandstone
Which of the following forms when two continental plates collide?
a. volcanoes
b. mountains
c. rift valleys
mountains
This type of metamorphism occurs when existing rock comes into direct contact with molten rock(magma)
Contact or Regional?
Contact metamorphism
DOUBLE POINTS!!!!!!
What kind of rock are fossils (dinosaur bones, ancient rocks) found in?
a. Moon Rock c. sedimentary rock
b. igneous rock d. fossil rock
c. sedimentary rock
The process of dangerous pollutants becoming more concentrated at each trophic(food chain) level is called-
Biomagnification
What is the underwater mountain chain called that is at the center of sea-floor spreading and responsible for the creation of new seafloor?
Mid-ocean ridge
Which of the following are negative effects of agriculture on our environment?
a. soil erosion
b. habitat loss
c. soil compaction
d. all of the above
a. all of the above
Which type of sedimentary rock is made from corals and shells?
a. clastic d. igneous
b. chemical
c. organic
C. organic- once living things
Which type of human impact consists of logging forests without replanting trees, leads to habitat loss and few plants and animals in the ecosystem?
Deforestation
_________________and_________________ deep inside the earth can cause igneous and sedimentary rocks to change.
Heat & pressure
Which type of volcano is the largest, a circular base, and broad, gently sloping sides
a. cinder-cone
b. shield
c. compostite
Shield volcano
A mineral always contains certain elements in definite proportions. (like H2O) This refers to its-
a. luster
b. reactivity
c. chemical composition
Name two factors that affect surface ocean currents
A.
B.
a. prevailing winds
b. Coriolis effect
Human activities such as mining, agriculture, and deforestation, can destroy habitats so they can no longer support the species that live there. This is known as-
a. soil compaction
b. soil erosion
c. habitat loss
Habitat loss