click below
click below
Normal Size Small Size show me how
Earth Science
Final Exam Review
Question | Answer |
---|---|
How does the suns energy travel to earth? | Electromagnetic Radiation |
What is the theory that the solar system developed from a cloud of dust and gas? | Nebular Theory |
What theory describes the formation of the universe? | The big bang |
At what point is Earth closest to the sun? | Perihelion |
What must happen for a solar eclipse to occur? | The moon passes in front of the sun |
What forces keep a planet in orbit? | Gravity and centrifugal forces |
What is a barycenter? | The point in space around which two objects orbit. |
What is Nutation? | a periodic oscillation of the earth's axis that causes the precession of the poles to follow a wavy rather than a circular path. |
What is precession? | The slow, top like wobbling of the spinning earth, w/ a period of about 26,000 years |
What is responsible for the seasonal changes on earth? | Earth's Rotation |
What causes the unequal heating of the earth? | Earth's tilt |
What is the term used to describe when the moon is closest to the earth? | Supermoon |
What causes the phases of the moon we see each month? | The moon orbits leaving one side in the sunlight and the other in the shadow. |
What rocks form from energy of the earths interior? | |
What are the three types of rocks? | Sedimentary, Igneous, Metamorphic |
What are the two types of energy that drive the Earth's rock cycle? | Geothermal heat and solar energy |
Which types of rocks are formed by processes powered by the sun? | sedimentary |
What rock is formed when magma hardens beneath the Earth's surface? | Igneous |
What is the classification of rock that is formed by cooling lava? | Igneous |
List in order the processes that form sedimentary rock | Erosion, deposition, compaction, cementation. |
What are the uses of fossils found in sedimentary rock? |