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6th Grade Space
Question | Answer |
---|---|
The force that accelerates a rocket. | Thrust |
A small body of ice, rock, and cosmic dust loosely packed together. | Comet |
Small, rocky bodies that revolve around the sun. | Asteroid |
A bright streak of light caused when a meteoroid or comet dust burns up in the atmosphere: a shooting star. | Meteor |
Bright streaks of light caused when a meteoriod or comet dust burns up in the atmosphere. | Meteorite |
Small, rocky bodies that revolve around the sun; smaller than asteroids. | Meteoroid |
Large planets that don't have any known solid surfaces. | Gas Giant |
Inner planets that are small, dense and rocky. | Terrestrial Planet |
The average distance between Earth and sun. | Astronomical Unit |
The average distance between Earth and sun. | Astronomical Unit |
The spin of an object in space | Rotation |
The spin of an object in space | Rotation |
The motion of a body as it travels around another body in space. | Revolution |
The speed and direction a rocket must travel in order to orbit the earth. | Orbital Velocity |
The speed and direction a rocket must travel to completely break away from a planet's gravitational pull | Escape Velocity |
A natural body that revolves around a more massive body, i.e.: moons, comets, asteroids, meteoroids. | Natural Satellites |
An artificial body that revolves around a more massive body, i.e.: satellite, space station | Artificial Satellites |
This is the new classification for Pluto. Dwarf planets orbit the Sun, but are not as large as other planets. | Dwarf Planet |
The star that is the dominant member of our solar system. | Sun |
A group of bodies that can be organized into smaller systems. | System |
A group of bodies that can be organized into smaller systems. | Galaxy |
Includes the sun, planets, and many smaller objects. | Solar System |