Scientists think continents were once a large single landmass that broke apart and then the continents slowly DRIFTED to their present locations. What is the name given to this hypothesis?
What is continental drift?
100
Lots of buildings are destroyed. People were killed or injured.
10-12
100
Earthquakes occur underground.
What is true?
200
How is the outer core different than the inner core?
What is the outer core is liquid and the inner core is solid?
200
What is tension?
What is when rock pulls apart?
200
Tectonic plates pushing into each other is what kind of boundary?
What is a convergent boundary?
200
Vibrations are felt and things on the shelves shake a little.
1-3
200
Volcanoes occur above ground.
What is true.
300
What are the 3 main layers of the earth?
What is the core, the mantle, and the crust?
300
What is a force that changes the shape and volume of rock?
What is stress?
300
What happens at a transform boundary?
What is two plates slide horizontally past one another?
300
An Earthquake in City A registers 5.6, City B 7.8, and City C 6.8. Which city had the strongest earthquake?
What is City B?
300
The center of an earthquake is called the epicenter.
What is true?
400
What two elements are the earth's core made up of?
What are nickel and iron?
400
What does it mean if someone says a volcano is active?
What is that it is erupting or will erupt in the future?
400
What type of boundary is where plates pull apart or divide?
What is divergent boundary?
400
Old buildings topple. Bridge collapses.
7-9
400
Earthquakes and volcanoes are caused by the heating up of the earth's core.
What is false?
500
What are the 4 sub layers of the mantle?
What is the lithosphere, asthenosphere, upper mantle, and lower mantle?
500
What are seismic waves
What is the waves that create earthquakes?
500
What is the process called where one plate sinks below another plate?
What is subduction?
500
Wall crack. Canned foods fall off shelves. People go outside to see what's going on.
4-6
500
A dormant volcano is erupting or may erupt in the near future.