Astronomy
What 2 planets travel around the sun in less time than than it takes Earth?
Mercury and Venus
What are the three types of plate boundaries?
Convergent, Divergent, Transform
You found a fossil in a rock near your house. What type of rock was it?
Sedimentary
How old is the planet?
4.6 billion years old
What is the process of water vapor turning back into liquid water called?
condensation
What two elements make up most of the universe
Hydrogen and Helium
What type of boundary is along a mid ocean ridge?
Divergent
What does crystal size help determine about an igneous rock?
The environment of formation or cooling speed
What was the biggest mass extinction?
What causes currents in the atmosphere?
Differences in air pressure
What do we call the reaction happening within stars that makes new elements? And what phase does it begin in?
Fusion and main sequence
What are the two types of crust?
Oceanic and continental
Name five different properties of a mineral that we can use to classify it.
Luster, color, hardness, magnetism, streak, taste, smell, cleavage, fracture, density, acid, fluorescence.
What is the difference between weathering, erosion and deposition?
Weathering creates sediments (breaks down rock), erosion moves sediments, deposition settles/places down sediment
On a sunny day in the cold winter what would likely be the air pressure and humidity levels.
High pressure (sunny/clear) and low humidity (cold)
When we look at other galaxies their spectra lines are shifted toward the red end of the electromagnetic spectrum. What does this tell us about the direction that the galaxies are moving?
They are moving away from us
What is subduction?
The sinking of an oceanic plate at a convergent boundary
What happens to organic matter and rock particles as you go deeper into the soil?
Organic matter decreases, Rock particles increase
Which sedimentary process does the point bar of a stream experience? And why?
deposition because it is slower
What happens to oxygen and carbon dioxide as you get deeper into the ocean?
Oxygen decreases, carbon dioxide increases.
What are the next three stages the sun will go through in it's life cycle?
Red Giant, White Dwarf, Black Dwarf
What are the three types of faults?
Normal, reverse, strike-slip
If 25% of a rock's original C-14 mass is left, and one half life is 5000 years, how old is the rock?
10,000 years old
What are the five Virginia provinces from east to west?
Coastal plain, Piedmont, Blue Ridge, Valley and Ridge, Appalachian Plateau
What is the thermocline and where does it happen?
A sudden drop in temperature in the middle zone of the ocean.