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Science 19/20 test
| Question | Answer |
|---|---|
| meteor | in atmosphere |
| meteorite | reached the ground |
| meteoroid | in space |
| terrestrial planets | the four small planets that were formed nearest the sun |
| gaseous planets | huge, low density planets made mainly of gas, these planets were formed farther from the sun |
| asteroid | traveling chunks of rock found mostly in the asteroid belt |
| comet | large chunk of ice, dust, gases, and rock fragments |
| solar system formation steps | 1- rotating dust and gas cloud is hit by a shockwave, possibly from a nearby explosion 2- cloud shrinks, flattens, and speeds up its rotation 3- enough material collects at the center and becomes heated for fusion to begin 4-other material forms into t |