Earthquakes
Seismology
The 3 Main types of volcanoes
cinder cone
composite
shield
Protons (+)
Neutrons (0)
Electrons (-)
2 factors that are needed in order for a star to remain stable
gravity
fusion
Layers of the earth
crust
mantle
inner and outer core
Movement of the ground, caused by a sudden release of energy.
The 2 different types of eruptions
quiet
explosive
Large clouds of gas
nebulas
Dark regions on the sun that are cooler
sunspots
The theory that explains the past and current movements of the plates
The point on earth's surface that is directly above the focus.
Epicenter
What's the different parts of a volcano
central vent
side vent
magma
lava
Observation of galaxies
Composition of stars
Background radiation
These are all evidence that support what theory
Big Bang
Zone on the sun that transfers energy into radiation
Describe the 3 different types of plate boundaries
convergent
divergent
transform
What waves can only travel through solids and which one travel through all forms.
p-waves and s-waves
A volcano collapsed on itself
caldera
A method of determining the age of an object by comparing unstable and stable isotopes
radiometric dating
Warm gas rises as cooler gas settles at the bottom
convection zone
Objects that have little changes over billions of years
lunar rocks
asteroids
meteroids
Seismic waves change what when they encounter the different layers of earth.
Speed and direction
pyroclastic material
The process when lighter nuclei are combine together to form heavier nuclei
nuclear fusion
Core of a collapse cloud of dust and gas
protostar
What theory told us the continents started together in a single landmass and have since drifted apart
Continental drift theory