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| approximate age of the universe |
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| theory for the formation of the Universe is called |
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| What type of galaxy is the Milky Way? |
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| A body that orbits another held in place by a gravitational attraction. Examples: The moon orbits the Earth |
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| what force is believed to be responsible for the attraction between particles of matter, pulling clouds of gases and dust, together to form the stars, planets, and other heavenly bodies? |
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| X-rays, infrared radiation, radio waves, ultraviolet light, and visible light are... |
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| examples of various the different wavelengths of the electromagnetic spectrum |
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| According to the Hertzsprung-Russell diagram what class of star is our Sun? |
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| Know the phases of the moon |
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| In 1957, the Russian satellite, __________was launched starting the space race. |
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| The best space exploration tool for great distances is what? |
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| What process takes place in the Sun to generate energy? |
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| Satellite transmission and other communications can be disrupted by...? |
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| solar activity such as solar flares |
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| How does the mass of a star effect its' life span? |
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| The more massive a star is at "birth," the shorter its life. |
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| The gravitational pull of the Moon on the Earth. |
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| Developed the Theory of Continental Drift |
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| Fault were blocks move horizontally past one another |
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| Verticle movement in a fault. |
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| Volcano built of alternating layers of lava flow, ash, and cinders? |
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| Volcano built from particles and blobs of congealed lava ejected from a single vent. Can reach thousands of feet high. |
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| Volcano in which flow after flow pours out in all directions from a central summit vent, or group of vents, building a broad, gently sloping cone of flat, domical shape, with a profile much like that of a warrior's shield. |
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| volcano built of lava too viscous to flow any great distance; consequently, on extrusion, the lava piles over and around its vent. A dome grows largely by expansion from within. |
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| Review various mineral test |
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| hardness, luster, cleavage, etc. |
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| Besides organic matter some compnents of soil include... |
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| This can be part of rocks, has a definite chemical composition and crystal structure such as a diamond and is igneous. |
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| Position on the surface of the Earth of an earthquake. |
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| Location of actual plate movement underground in an earth quake is called? |
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| Atoms whose nuclei are not stable, loose parts of their nucleus through decay. |
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| Conditions that help the process of fossilization include? |
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| Hard parts with rapid burial |
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| Age of mammals on the geologic time scale |
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| Age of the reptile and the dinosaur on geologic time scale. |
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| Age of the invertebrate, fish and amphibian on the geologic time scale. |
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| Birth of the earth; earliest life forms took place during the .....time |
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| Scientists have used a combination of relative dating and absolute dating techniques to create the__________, the "map" of past eras of earth's history. |
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| A remnant, or trace, of an organism from a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust is called a |
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| Geologists have come to use these fossils as a marker for the relative age of the layer the fossils are found in. |
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| Time in which two or more events are compared without any numerical reference. Use the known age of one object to give an age to another object. |
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| Time in which time is measured in some unit (seconds, minutes, hours or years as well as radiometric daing and counting tree rings) |
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| The amount of time it takes for 1/2 of the parent element of a radio active element to decay to the stable daughter element |
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| Know the parts of the atom |
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| Rock type that forms when liquid rock cools above or below ground |
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| Rock type that forms when great amounts of heat and pressure cause the existing rock to reform |
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| Rock type that forms when layers of eroded rock material is set down and cemented and solidified. |
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