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59 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are the tides like during Spring Tide?
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Very high high tides, very low low tides.
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What are the tides like during Neap Tide?
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Almost no difference between high and low tide!
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What are the circumpolar constellations?
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Cepheus, Cassiopea, Ursa Major, Ursa Minor, Draco
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How many GPS satellites orbit Earth?
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24
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How many GPS satellites are needed to tell your position?
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3
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What is the era from the formation of Earth to 544 million years ago?
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Pre-cambrian
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What period started 544 million years ago and ended 245 million years ago?
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Paleozoic
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What era saw no life whatsoever?
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Pre-cambrian
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What period saw an explosion in plant life/bacteria?
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Paleozoic
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What era started 245 million years ago and ended 65 million years ago?
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Mesozoic
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What era saw the rise and fall of the dinosaurs?
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Mesozoic
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What era started 65 million years ago and is still going on?
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Cenozoic
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What era saw the rise of mammals and intelligent primates?
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Cenozoic
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What period was the peak of dinosaurs?
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Jurassic
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Jurassic Park
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What was the significance of the cretaceous period?
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Dinosaurs went extinct
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Which period saw the rise of mammals?
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Tertiary
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What period are we living in right now?
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Quaternary
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Which is younger, Pleiades or the moon?
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Pleiades
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What is the life cycle of a low or medium mass star?
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Nebula <Main sequence <red giant <planetary nebula <white dwarf
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What is the life cycle of a high mass star?
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Nebula <main sequence < red supergiant< supernova<black hole or neutron star
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What category of rock do felsic and mafic belong in
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Igneous
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Coal is what type of sedimentary rock?
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Organic
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What is metamorphism that is associated with convergent boundaries and mountains?
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Regional metamorphism
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What is the boundary that separates the rock where dinosaurs are found?
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The k-t boundary
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What type of igneous rock cools within the surface of the Earth?
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Plutonic and intrusive
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What type of metamorphism occurs when a hot magma intrudes into cooler rock?
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Contact metamorphism
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What is it called when plates rub against each other instead of running into each other?
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Transform boundary
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Name two examples of Mafic rock
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Basalt, gabbro
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What minerals make up felsic rock?
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Quartz and feldspar
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Name two examples of chemical sedimentary rock.
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Limestone and chert
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Gneiss was originally what rock?
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Granite
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How do you calculate gradient?
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Elevation/ distance
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Marble was originally what rock?
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Limestone
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Name two examples of clastic rock.
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Sandstone conglomerate or shale
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What color are Mafic rocks normally?
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Dark colors
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What is igneous rock that cools on the surface of Earth called?
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Volcanic or extrusive
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What color are felsic rocks normally?
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Light colors
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What are the three types of sedimentary rocks?
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Clastic, chemical and organic
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What is foliated rock?
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Metamorphic rock that is made up of layers
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What are the wavelengths of visible light?
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750-400
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How old is the universe?
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13.8 billion years old
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How old is earth?
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4.5 billion years old
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What color has the longest wavelength?
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Red
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What color has the shortest wavelength?
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Purple
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Which has a longer wavelength, radio waves or gamma rays?
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Radio waves
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Astronomy
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the study of celestial objects and the physics, chemistry and evolution of those objects
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Cosmology
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the science of thr origin and development of the universe
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Astronomical Unit
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a unit of length, the distance from the earth to the sun
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Gas giants?
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furthest 4 planets in our solar system
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Terrestrial planets?
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closest 4 planets to the sun
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A chart displaying the temperature, lumosity, absolute magnitude, color, and age of stars?
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HR diagram
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Same amount of daylight and darkness?
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Equinox
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Sun is at highest or lowest point in the sky?
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Solstice
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Aphelion?
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farthest away from the earth or sun
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Marked contour lines that tell the exact elevation of a region?
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Contour index
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The difference between the highest elevation and lowest elevation on a topo map
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Relief
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What is contintental drift?
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the movement of continents in relation to each other
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Rocks rich in feldspar and silica?
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Felsic rock
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Rocks rich and magnesium and iron?
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Mafic
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