What are the different ways a substance can change state?
18) melting, boiling, freezing, condensing, not flowing water
What is the point beneath Earth's surface where the crust breaks and triggers an earthquake called?
36) focus
What is the ring of fire?
45) a ring of volcanoes circling the Pacific Ocean
What are the two basic types of folds?
40) anticlines and synclines
what is momentum?
23) momentum = mass x velocity
What is the temperature at which a solid changes to a liquid?
14) melting point
What is the point on the earths surface directly above the focus?
38) the epicenter
What type of eruption produces ash, cinders and bombs?
46) and explosive eruption
What is the term for a large area of flat generally horizontal rock strata high above sea level?
41) a plateau
What force is acting on an 2 kg object moving at a constant velocity of 10 m/s?
What is the definition of gas?
no definite shape, no definite volume
What is the instrument used to measure and record ground movements during an earthquake?
37) seismograph
What is a hot spot?
48) An area where magma melts through the crust in the middle of a plate
volcanic soils are fertile because they contain what?
49) phosphorous and potassium
What is the term for the amount of matter in an object?
20) mass
The total energy of all the particles in a substance is _______________________.
15) thermal energy
Water displaced by an undersea earthquake may produce a(n) _____________________.
39) Tsunami
What is the molten mixture of rock forming substances, gases and water deep inside the earth called?
44) magma
Is there more volcanism on land or under the oceans
Under the oceans because of mid-ocean ridges
What key event in Earth's history occurred around 252 million years ago?
The Great Dying of Permian Triassic mass extinction
What is the net force acting on a 2kg object traveling at a constant velocity of 5 m/s?
0N
What is it called when an earthquake's shaking causes a wet soil to act like a liquid?
42) liquifaction
What causes liquid magma to flow upward through the crust?
47) the fact that magma is less dense than the surrounding material
During which Era did life first occur on land?
Paleozoic
What are the terms for the two walls of a fault and which is which?
Hanging wall is the top wall and foot wall is the bottom wall.