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Science 6Tides Snead
Vocabulary for Snead Science 6
| Term | Definition |
|---|---|
| Neap tide | a tide that occurs when the Moon, Earth, and Sun are at a ninety degree angle |
| Spring Tide | a tide that occurs when the Moon, Earth, and Sun are aligned in a straight line |
| Tide | the rise and fall of ocean water due to the differences in the moon's gravitational pull on the earth- change every 12.5 hours or so |
| Galileo | Made the telescope in 1609 and observed the moon |
| Tidal Range | the vertical difference between a high tide and low tide |
| Craters | round pits on the surface of the moon |
| Tide | the rise and fall of ocean water due to the differences in the moon's gravitational pull on the earth- change every 12.5 hours |
| Highlands | areas on the moon where the land is higher- like mountains |
| Maria | dark, flat that are dry and were once flooded with molten material. Areas that Galileo THOUGHT were oceans. He was wrong. |
| John F. Kennedy | President who challenged Americans to put a man on the moon |
| Soviet Union (a.k.a. Russia) | other country who was also in the "space race" sending many missions to space in the 1960s |
| Saturn's rings are made of pieces of | ice and rock |
| Neil Armstrong | First person on the moon |
| Comet | chunks of ICE and DUST- orbits are usually very long, narrow ellipses |
| John Glenn | first American to orbit the earth |
| Jupiter | largest planet, has a giant swirling spot |
| Uranus | Titled on its side as it rotates 90 degrees, one of the outer or gas giant planets |
| Meteroid | a chunk of rock or dust in space that COULD burn up in the atmosphere |
| Asteroid Belt | areas between Mars and Jupiter where many of these are found |
| Meteor | the STREAK OF LIGHT made as a rock enters the atmosphere and burns because of friction |
| Yuri A. Gagarin | the first man in space |
| Asteroid | large rocks in space that are mostly found between Mars and Jupiter |
| Kuiper Belt | areas just beyond Neptune where there are lots of small objects |
| Terrestrial Planets | planets that are small and have solid or rocky surfaces |
| Gas Giants | large planets that are made of gas |
| Mars | known as the "red planet" Tilted on its axis just like Earth (so it has seasons) |
| Venus | Hottest planet. Sometimes called Earth's twin because of its size |
| Meteorite | a small rock that passes through the atmosphere and hits Earth |
| 1/4 | The moon is ________ of the diameter of the Earth |
| Satellite | any natural or artificial object that revolves around another object in space. |
| Buzz Aldrin | 2nd person on the moon |
| Gravity | the force that pulls the moon and earth (including the water on the Earth's surface) toward each other |
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