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cock-a-doodle-do!!!!
10 cards
| Question | Answer |
|---|---|
| rocket | an object that shoots gas out one way to go the other way |
| thrust | reaction force that propels a rocket forward |
| velocity | speed in a given direction |
| orbital velocity | velocity a rocket must achieve to establish an orbit around earth |
| escape velocity | velocity a rocket must achieve to fly beyond a planets gravitational pole |
| satelite | an object that revolts around another object in space |
| space shuttle | space craft that can carry a crew in orbit |
| space station | artificial satelite on which people can live and work for long periods |
| space probe | space craft that carries scientific instruments that can collect data |
| robers | small robots that move around on a planets surface |