Plate Tec
What is continental drift?
The theory that earth's continents move over time and were once joined together
First proposed by Alfred Wegener in 1912
Name two scales to measure earthquakes
Richter scale, Moment magnitude scale, mercalli scale, modified mercalli scale,
What type of weathering is freeze-thaw action?
Mechanical
What is the capital of the United States?
Washington DC
What planet is known as the Red Planet?
Mars
What is the inner core made of?
Iron and nickel, and sulfur
Where is the focus of an earthquake?
Under the epicentre
What happens to water when it freezes in a crack in a rock?
Expands - turns to ice
What is the capital of Canada?
Ottawa
What is the fastest land animal?
Cheetah
What is the range or average thickness of continental crust?
30-70km
Average 45km
What is liquefaction?
When groundwater is moved to the surface due to an earthquake - often leads to building collapse
What is the name of the horizontal cracks in limestone?
Bedding planes
What is the capital of Kenya?
Nairobi
What organ in the human body produces insulin?
Pancreas
What is believed to be the main driver of plate movement?
Convection currents
Name the most powerful earthquake ever recorded?
Valdivia, Chile, 9.5 on Richter Scale
Which mineral in granite weakens through hydrolysis?
Feldspar
What is the capital of Nigeria?
Abuja
What’s the name of the spaceship that first landed on the Moon?
Eagle
what technology helped to prove the theory of seafloor spread?
SONAR
Which tectonic plate is subducting beneath Japan?
Pacific
What term refers to the breakdown of rocks primarily through internal expansion from salt crystal growth?
Haloclasty
What is the capital of Kazakhstan?
Astana
What’s the name of the largest volcano in the solar system?
Olympus Mons
Olympus Mons is a giant volcano on Mars, three times as high as Everest and as wide as France.
13 miles high, 370 miles wide