What is our main source of heat?
The sun
Continental crust is _________ than oceanic crust.
Denser
In what geological era are we currently living?
Cenozoic
What is a nonrenewable resource?
A natural resource that takes a long time to replace.
What is evaporation?
Water gets warm and changes from liquid water to water vapor.
The Shape of the Earth's orbit is?
Elliptical
What is Subduction?
When an oceanic lithosphere is recycled into the Earth's mantle at convergent boundaries.
How old is the Earth?
4.6 billion years ago
Earth's resources are....
Unevenly distributed across the Earth.
What is another name for the water cycle?
Hydrologic cycle
What is the Correct order of the planets starting with the sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
The youngest rocks on the ocean floor are typically located near what feature?
A mid- ocean ridge
What characteristics must index fossils have?
Recognizable, short life-span, wide distribution
Which greenhouse gas is most abundant in our atmosphere?
Water vapor
What is the energy source that powers the water cycle?
The Sun
How are the four outer planets different than the four inner planets?
They all have moons
A rift valley is evidence of what kind of plate boundary?
Divergent boundary
The study of rock layers that is part of the geology is known as_______.
Stratigraphy
The greenhouse effect is caused by
Gases in the lower atmosphere absorbing radiation from the Earth's surface.
Drought, wildfires and super storms are all related to___________.
Climate change
What is the definition of Inertia?
The tendency of an object to resist change in motion.
What happens where an oceanic plate converges with a continental plate?
The denser oceanic plate slides under the less sense continental plate
Absolute Dating is also known as ________.
Radiometric and radioactive dating.
The greenhouse effect is
A naturally occurring system that helps keep the Earth at a steady temperature
A natural disaster is different than a natural hazard because________________
A natural disaster causes property damage, injury or death.