earthquakes
How do they measure earthquakes?
Seismograph
What magnitude or higher does take to cause a Tsunami?
7.5
What are the 4 parts of the earth?
Crust, mantle, inner core, outer core
What is the super continent called?
Pangaea
What are the 3 best games in their prime?
Fortnite, BO 2, Minecraft
Where do most earthquakes happen?
Plate boundaries
What is the top and bottom of a tsunami called?
crest and trough
What are the 3 driving forces of plate movement?
Pressure, convection, gravity
Who came up with the theory of continental drift and who brought the theory back?
Alfred Wagner and Harry Hess
What movie has had the biggest box office ever?
Avengers endgame
Where was the biggest earthquake ever? What year? What magnitude?
Chile, 1960, 9.5
How do you tell a Tsunami is coming?
When the tide recedes
What are the differences between continental crust and oceanic?
oceanic: thinner, more dense, younger
Continental: Thicker, less dense, older
Why wasn't Alfred Wagner's idea of continental drift accepted?
Because he couldn't explain how it happened
How tall was the tallest Tsunami ever?
1720 ft
Where do 80% of earthquakes happen?
Ring of Fire/ circum-pacificbelt
How are Tsunamis caused?
Tsunamis are caused by a burst of energy cause by 2 tectonic plates slipping
What are the 2 spheres?
Asthenosphere, lithosphere
What are the 4 pieces of evidence of continental drift?
Geometric, fossil, mountain, climate
Who was the 40th president of the united states?
Ronald Reagan
How many earthquakes happen yearly?
20,000
How fast do Tsunamis go?
504 mph/ 800
What is the asthenosphere?
It is the mantle, plate and it works like a fluid conveyor belt
How long ago was Pangea?
280 million years ago to 230 million years ago
What year did the blue jays win there last world series?
1993