Show:
Earth Science
Plate Tectonics
Volcanoes and Earthquakes
Plate Boundaries
Soil
100
Earth Science includes the study of all the water on Earth, called this
What is the hydrosphere?
100
Earth's crust, also called this, is constantly moving and shifting on top of the mantle
What is the lithosphere?
100
A release of energy from an earthquake
What is a seismic wave?
100
When two plates hit
What is a convergent boundary?
100
Soil is made when this breaks apart by weathering and erosion.
What is rock (or Earth's crust, or the lithosphere)?
200
All the rocks and other solid material in the Earth is referred to as this
What is the Geosphere?
200
Circular patterns in the top of the mantle
What are convection currents?
200
The fastest seismic waves.
What are Primary (P) waves?
200
When two plates separate?
What is divergent boundary?
200
The smallest grain size that composes soil
What is clay?
300
The part of the experiment changed by the scientist.
What is the independent variable?
300
Convection currents occur in this part of the mantle.
What is the asthenosphere?
300
The aftershock of an earthquake is caused by these
What are Secondary (S) waves?
300
The San Andreas fault, for example.
What is a transform boundary?
300
The largest grain size that composes soil?
What is sand?
400
A hypothesis that has been tested many times and not been falsified.
What is a theory?
400
Plate tectonics help to explain when all the continents were connected in a super-continent called _____________.
What is Pangea?
400
In order to triangulate the position of an earthquake, you need three of these machines
What are seismometers?
400
The Andes Mountains were formed when the Nazca plate subducted under this plate
What is the South America plate?
400
A good soil is called this
What is loam?
500
Scientific theories are supported by this
What is evidence?
500
Lithospheric plates ultimately move because of this energy source.
What is the core (heat from the core)?
500
Volcanoes are often caused by magma flowing directly through a plate. This is called a ____ ________.
What is a hot spot?
500
Iceland is on the mid-Atlantic ridge, which is this type of boundary.
What is divergent?
500
This dead plant material helps to aerate soil
What is organic matter?