identify which type of plate boundaries move away from each other
divergent plate boundaries
Name 2 plates the could fit together like "puzzle pieces"
South America and Africa
North America and Europe
Antarctica and Australia
identify what causes the plates to move
convection's in the Earths mantel
what layers do you have to go through to have reached the upper mantel
crust
lithosphere
asthensphere
At what age did Alfred Weneger die?
Age 50
Identify what type of plates move towards one another
Convergent plate boundaries
About how many years ago did Pangaea exist?
about 175 million years ago
do earthquake and volcanic activity occur above or below the plate boundaries?
Above the plate boundaries
identify whether or not the inner core is liquid or solid?
the inner core is solid
Identify 2 of the 4 science concepts
Geology
Oceanography
Meteorology
Astronomy
Transform plate boundaries move ________ each other.
passed
Which scientist came up with the continental drift theory?
- Albert Einstein
- Alfred Wegener
- Isaac Newton
Alfred Wegener
what is the largest tectonic plate?
The Pacific plate
what layer is made of mostly iron and nickel?
the mantel
in what year did Alfred Wegener introduce the continental drift hypothesis
what happens when there is a subduction zone?
2 plate have collided, one being heavier then the other sinks and starts to travel downward
identify the evidence Alfred Weneger used to support his hypotheses on continental drift
He used
- climate clues
- fossil clues
- continental clues
True or False
every tectonic plate is the same thickness
False
tectonic plates vary in size from 15 km to 200 km
True or False
the core is all liquid
False the inner core is solid.
when and where was Alfred Wegener born?
when- November 1st, 1880
where- Berlin
identify all 3 plate boundaries
convergent plate boundaries
divergent plate boundaries
transform plate boundaries - subduction zones
which continent moves the fastest?
Australia because it is colliding with the Pacific Plate. its moving North about 7 centimeters each year
about how many tectonic plates are the in the world?
7 major and many minor
what is the most dense layer?
the inner core is the most dense because it is made of iron and nickel
what college did Alfred Wegener attend