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WG Ch. 2 Review
chapter two, S 1-3, World Geography
| Question | Answer |
|---|---|
| Meteoroid | a solid object moving in interplanetary space, of a size considerably smaller than an asteroid and considerably larger than an atom. |
| Meteor | the visible streak of light that occurs when a meteoroid enters the Earth's atmosphere. |
| Meteorite | portion of a meteoroid or asteroid that survives its passage through the atmosphere and impact with the ground without being destroyed |
| Asteroid Belt | located between Mars and Jupiter |
| Earth is described as an... | Oblate Spheroid |
| Satellite | Natural or Artificial, it is something that revolves around another thing. |
| Which two of the eight planets do not have moons? | Mercury and Venus. |
| Spring Tide | High tides are high and low tides are very low. This occurs when the gravitational pull of Sun/Moon to Earth are equal. |
| Neap Tide | Weak tides in which the Sun and moon are working together at a right angle. |
| Radio of the Moon to Earth. | 1/4. |
| Diameter and Circumference of Earth | Diameter: 12742 km/20,552 miles. Circumference: 40,075 km/64,637 miles. |
| Leap year | a year containing one extra day in order to keep the calendar year synchronized with the astronomical or seasonal year. |
| 4 Spheres | Atmosphere, lithosphere, Biosphere, Hydrosphere. |
| Asteroids | a class of small Solar System bodies in orbit around the Sun. |
| Comet | an icy small Solar System body that, when close enough to the Sun, displays a visible coma (a thin, fuzzy, temporary atmosphere) and sometimes also a tail. |
| Diameter and Circumference of the Sun | 1,392,000 kilometers (865,000 mi), 109/1, 4.379×10 6 km Circumference. |
| Diameter and Circumference of the Moon | 3474 km, 5603 miles, 10,921 km, 17,614 miles. |