Astronomy
study of objects beyond Earth's atmosphere
What is Astronomy
At which type of plate boundaries do plates move toward each other
what is convergent
What is lava
layer of the atmosphere ozone is found
What is the stratosphere
theory that cosmic background radiation supports
What is the big bang theory
Earth's only natural satellite
what is the moon
proposed the theory of continental drift
who is Alfred Wegener
major belt of volcanoes that rims the Pacific Ocean
What is the ring of fire
__________ is determined by averaging weather over a long period of time.
what is climate
the unit of geologic time contains that fewest number of year
What is Epoch
The sun produces energy in its core by fusing hydrogen atoms into _______ atoms
What is helium
term used to describe the circular currents in the mantle that result from the heating of magma by Earth's core
What is convection currents
type of flow in a volcanic eruption causes the most fatalities?
What is pyroclastic flow
Summer occurs on the hemisphere of Earth that is
What is Tilted toward the sun
type of volcano most dangerous to humans
What is composite volcanoes
theory proposing that the universe began with an immense explosion that released all matter and energy
What is the big bang theory
crust and the upper mantle make up the Earth's
What is the Lithosphere
What force will eventually pull almost all eroded material downhill
What is gravity
The axial tilt of the Earth is
23.5 degrees
Tornadoes form everywhere except
Where is Antarctica
main element formed in the big bang
What is hydrogen
study of Earthquakes is called
What is Seismology
Lava that cools quickly on or at the Earth's surface forms which types of rocks
What is igneous
Precipitation and storms occur most often in ______ areas
what is low pressure
Isobars help explain what on a map
What is air pressure