Chapter 1-Unit E Word Scramble
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| Question | Answer |
| Energy that travels across distances as certain types of waves. | Electromagnetic Radiation |
| A group of millions or billions of stars held together by their own gravity. | Galaxy |
| A device that gathers electromagnetic radiation. | Telescope |
| A group of stars that form a pattern in the sky. | Constellations |
| The path that an object in space takes as it moves around another object due to gravity. | Orbit |
| A spacecraft that drops into a planet's atmosphere and records data. | Probe |
| An object that orbits a more massive object. | Satellite |
| Space and all of the matter and energy in it. | Universe |
| The distance between the peak of one wave and the peak of the next wave. | Wavelength |
| The Sun, the planets, and smaller bodies make this up. | Solar System |
| An artificial satellite in which people can live and work for long periods of time. | Space Station |
| A range of colors. | Spectrum |
| When an object strikes the surface of a larger object in space, it explodes and leaves behind a round pit called an? | Impact Crater |
| A space craft the lands on the surface of a planet to take samples. | Lander |
| How are stars in a constellation related? | They form a pattern in the sky. |
| The movement of which is easiest to observe without a telescope is? | The moon |
| When they are in orbit around Earth, astronauts must get use to? | weightlessness |
| Which type of mission can provide information about more than one planet? | Flyby |
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