6th Unit 1b Word Scramble
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| Term | Definition |
| Scientific models | a scientific activity the aim of which is to make a particular part or feature of the world easier to understand, define, quantify, visualize, or simulate. |
| Geocentric | having or relating to the earth as center |
| Heliocentric | having or relating to the sun as center |
| Big Bang Theory | The Big Bang is a THEORY about the creation of the UNIVERSE |
| Milky Way | The galaxy to which Earth and other components of our Solar System belong. |
| Comet | A ball of ice and dust who orbits around the sun in a long, narrow ellipse |
| Asteroids | Objects revolving around the sun that are too small and too numerous to be considered planets. |
| Meteors | The streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere. |
| Meteorite | When a meteoroid burns in the atmosphere and hits the ground |
| Meteoroid | a chunk of rock or dust in space that comes from comets or asteroids |
| Revolution | The movement of one object around another, Earth revolution around the sun is equal to one year; 365 1/4 days |
| Rotation | The spinning of the Earth on its axis, day and night (24 hours) |
| Photosphere | The visible surface of the Sun; the upper surface of a convecting layer of gases in the outer portion of the sun whose temperature causes it to radiate light at visible wavelengths; sunspots and faculae are observed in the photosphere. |
| Corona | The outer atmosphere of the Sun made up of thin gases and can only be seen during a solar eclipse without telescopes its temperature is 1 - 2,000,000°C. |
| Chromosphere | The lower level of the solar atmosphere between the photosphere and the corona. |
| Solar Wind | streams of charged particles constantly given off by the Sun |
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darrin_evans
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