Life of stars
A Large cloud of gas that acts as a nursery for new stars.
Nebula
What is a scientific theory describing the large-scale motion of the plates making up the Earth's lithosphere?
Plate tectonics.
What are the three ingredients for weather?
air, water, and heat/temp
What is Continental Drift?
the hypothesis that states that the continents once formed a single landmass, broke up and drifted to their present locations.
What two factors determine brightness.
Temperature and size.
A ____ boundary creates mountains.
Convergent.
What are the types of precipitation?
Rain, snow, sleet, and hail
Who is Alfred Wegener?
He developed the theory of continental drift
What is a pulsar?
A spinning neutron star that emits pulses of radio waves, that has a magnetic field.
What is the layer of the upper mantle composed of low-density rock material that is semiplastic, like putty?
Asthenosphere.
What is the difference between weather and climate?
Weather is the weather on a day-to-day basis.
Climate is the weather over a long period of time.
What is Pangea?
Wegner's theorized super continent that broke up to leave the land forms we have now.
Which star is bigger? A red star with an absolute brightness of 2000 or a blue star with an absolute brightness of 2000?
The Red star
What is Japan an example of?
Island arc.
How are hurricanes and tornadoes different?
Tornadoes form on land and in water, but hurricanes form only in water.
What types of evidence is there to support continental drift?
shape/fit, fossils - animal and plant, rock, mountain, climate.
What is the main sequence of a star?
A star in a state of equilibrium. The inward pull of gravity balances the outward thermal pressure from nucleus fusion in the core. Longest stage of a star's life.
At a convergent convergent boundary where an ocean meets a continent, the ocean dives under. This is called?
Subduction zone.
What is a stratus cloud?
form in low altitudes; layers of smooth, even sheets; fog, fair weather, rain, or snow
Why didn't scientists accept Wegener's Continental Drift hypothesis?
They didn't believe solid rock could move.