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6thGrSpace
Question | Answer |
---|---|
Transfer of energy through matter or space as waves. | Radiation |
Transfer of thermal energy from one substance to another through direct contact. | Conduction |
Transfer of energy by movement of a liquid or gas. | Convection |
A small body of frozen water, rock, and cosmic dust loosely packed together. | Comet |
Small, rocky bodies that orbit the sun. | Asteroid |
A streak of light caused when a meteoroid or comet dust burns up in the Earth’s atmosphere. | Meteor |
A meteor that reaches the Earth’s surface without burning up completely. | Meteorite |
Any human-made object placed in orbit around a body in space. | Artificial satellite |
A mixture of gases that surrounds a planet, such as Earth. | Atmosphere |
The tendency of all objects to resist any change in motion. | Inertia |
The force needed to keep an object moving in a circular path. | Centripetal force |
Smaller body that orbits around a larger body. | Natural satellite |
A very small, rocky body that revolves around the sun; smaller than an asteroid, sometimes as small as pebbles. | Meteoroid |