2. Volcanoes
• This happens when two plates move apart.
• A Volcano is a mountain that shoots out lava.
• There is types of volcanoes depending on how
much pressure is built up and there shapes
and sizes.
• Volcanoes are dangerous because the spurt
out hot lava and destroys lives an homes.
• It affects many miles around it and destroys
almost anything.
3. Earthquakes
• This happens when two plates rub against each other going
opposite ways.
• An earthquake is when the earth shakes and destroys things.
• It is measured in the Richter magnitude scale.
• It affects lots of areas but as you get closer to the plates it gets
worse.
• An earthquake is dangerous because it can nock over things
and cause them to fall sometimes on people and kill people.
• There is different types of earth quakes depending on there
force.
• Plate tectonics make earthquakes because if there wasn't
plates there would not be earthquakes.
4. Plate tectonics
• Bob Ballard came up with plate tectonics in
1960s.
• Plate tectonics is a theory that earths outer
layer is made of plates.
• The pieces of outer layer float on top of the
asthenosheere.
• It affects all over the planet.
• Can hurt people by the movement.
