plate movement
boundaries
earthquakes
volcanoes
earth's layers
100
on our planet oceanic plates collide with other____ plates.
What is oceanic?
100
The continents fit together like what?
What is puzzle pieces?
100
what measures an earthquake?
What is Mercalli scale, Richter scale, and the Magnitude scale?
100
What is a volcano?
What is a weak spot in the crust where molten material, or magma, comes to the surface?
100
What layer of the Earth do we live on?
What is the crust?
200
what can be created or grown bigger when plates diverge or pull apart?
What is oceans?
200
how many boundaries are there and what are they?
What is 3, convergent, divergent, and transform?
200
What are Seismic waves?
What is waves that travel through air?
200
What is magma?
What is a molten mixture of rock-forming substances, gases, and water from the mantle?
200
How many layers is the Earth made up of?
What is 4?
300
divergent boundaries can form underwater _______ ranges.
What is mountains?
300
what causes continents to move?
What is continental drift?
300
The place where slippage first occurs is called the earthquakes...
What is focus?
300
(True or false) Volcanos only exist on land.
What is false?
300
Which layer of the Earth lies directly above the outer core?
What is the mantle?
400
divergent boundaries can cause shallow ______.
What is earthquakes?
400
When Earth's continents were joined together the giant continent was called...
What is Pangaea?
400
the plates of the Earth move because?
What is convection currents in a mantle?
400
what can and erupting volcano cause?
What is earthquakes, flash floods, mud slides, or rock falls?
400
What layers of the Earth make up the lithosphere?
What is the crust and the upper part of the mantle?
500
when two continental plates collide large _____ usually form.
What is mountains?
500
Scientist found that the continents were moving apart from each other due to magma rising out of mid ocean ridge, they called this...
What is sea floor spreading?
500
What are two ways plate tectonic activity can be witnessed?
What is earthquakes and volcanoes?
500
Is there only volcanoes on earth?
What is no?
500
which layers of the Earth make up the asthenosphere?
What is the bottom and upper part of the mantle?
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