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chapter 31 is1h
intergrated science one honors vocab for chapter 31
| Question | Answer |
|---|---|
| Tides | ocean levels rise and fall in daily rhythms |
| Solar System | the sun, nine planets, their moons,asteroids, comets, and meteors; the region in space where the sun's gravitational force is dominant |
| Astronomical Unit (AU) | 1 AU = 150,000,000 km |
| Meteor | Chunks of rock, and dust from asteroid and comets that break off to form a meteor that is quite small. |
| Meteorite | a meteor that hits the ground |
| Asteroid | an object that orbits the sun, but is too small to be a planet |
| Comet | an object in space that is mostly made up of ice and dust. |
| Solar Wind | a stream of particles |
| Terrestrial Planets | high densities, slow rotations, solid surfaces, and few moons |
| Gas Giants | made of mostly hydrogen, and helium |
| Law of Universal Gravitation | The force of gravity acting between two objects depends only on their masses and distances apart |
| Gravitational force | a measure of the attractive force exerted by and object on a 1 kg object held at its surface |
| Orbit | a regular, repeating path that an object in space follows around another object |
| Orbital Speed | the speed required to achieve a balance between the pull of gravity on a satellite and its forward motion |
| Satellite | an object in orbit |
Created by:
nadias96
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