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8th Chapter 2
Exploring Space
| Term | Definition |
|---|---|
| rocket | A device that expels gas in one direction to move in the opposite direction |
| thrust | the reaction force that propels the rocket forward |
| velocity | speed in a given direction |
| orbital velocity | the velocity a rocket must achieve to establish an orbit around Earth |
| escape velocity | the velocity a rocket must reach to fly beyond the planet's gravitational pull |
| multistage rocket | This is the type of rocket whose main advantage is that the total weight of the rocket is greatly reduced as the rocket rises |
| satellite | An object that revolves around another object in space |
| Sputnik 1 (1957) | First satellite launched in space by the USSR Year 1957 |
| Explorer 1 | Second satellite launched in space by the US Year 1958 |
| Alan Shepard | First American in space |
| Yuri Gagarin | First human in space launched by USSR |
| Freedom 7 | Alan Shepard's spacecraft was named this. |
| John Glenn | First American to orbit the Earth |
| space shuttle | a spacecraft that can carry a crew into space, return to Earth, and then be reused for the same purpose. |
| space station | A large artificial satellite on which people can live and work for long periods. |
| space probe | A spacecraft that carries scientific instruments that can collect data, but has no human crew |
| rover | Probes that have small robots that move around on the surface |
| Atlantis Challenger Columbia Discovery Enterprise Endeavor | Name the 6 Space Shuttles |
| Columbia and Challenger | What two shuttles were destroyed? |
| Japan, France, Italy, Germany, England, Canada and many more. | Name 2 countries in partnership with the ISS |
| vacuum | A place that is empty of all matter |
| microgravity | Astronauts experience a feeling of weightlessness. |
| space spinoff | An item that has uses on Earth but was originally developed for use in space. |
| remote sensing | The collection of information about Earth and other objects in space without being in direct contact. |
| geosynchronous orbit | This is how satellites orbit the Earth. It orbits Earth at the same rate as Earth It rotates and thus stays over the same place on Earth all the time. |
Created by:
jamimurray
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