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Earthquakes
Volcanoes
Planets
Exploring Space
100
______ faults are created by these pulling forces
What are normal faults and tension?
100
largest igneous rock formation formed by magma cooling underground
What is a batholith
100
this planet has no true atmosphere
What is Mercury?
100
space probe that showed evidence of hydrogen at the Moon’s poles
What is Lunar Prospector?
200
________ faults are created by these squeezing forces
What are reverse faults and compression?
200
magma hardened in a vertical crack between rock layers
What is a dike?
200
heat trapping feature of atmospheres on Venus and Earth
What is the greenhouse effect?
200
– first human to step onto the Moon
Who is Neil Armstrong?
300
_______ faults are created by these sideways motion forces
What are strike-slip faults and shear?
300
magma hardened in a horizontal crack between rock layers
What is a sill?
300
material left over from the formation of the Sun, from which the planets formed
What is gas, ice, and dust?
300
reusable solid fuel booster rockets
What is a money-saving feature of the space shuttle?
400
scale used to measure the magnitude of an earthquake
What is the Richter scale?
400
steep-walled depression around a volcano’s vent
What is a crater?
400
only planet where water is found in solid, liquid, and gas states
What is Earth?
400
type of motor than can burn fuel without air
What is a rocket?
500
number of seismographs needed to locate this point on the surface above the focus (2)
What is three and epicenter?
500
type of magma found at converging plate boundaries
What is silica-rich (andesitic or granitic) magma?
500
Saturn probe
What is Cassini-Huygens?
500
the speed at which all electromagnetic waves travel
What is the speed of light, 300,000 km/s