Topic 6 Vocab

Front

The periodic rise and fall of the level of water in the ocean

Back

tide

Front

The partial or total blocking of one object in space by another

Back

eclipse

Front

One of the different apparent shapes of the moon as seen from Earth

Back

phase

Front

The tendency of an object to resist a change in motion

Back

inertia

Front

The scientific law that states every object in the universe attracts every other object

Back

law of universal gravitation

Front

The attractive force between objects

Back

gravity

Front

The path of an object as it revolves around another object in space

Back

orbit

Front

The movement of an object around another object

Back

revolution

Front

The spinning motion of a planet on its axis

Back

rotation

Front

An imaginary line about which the planet rotates

Back

axis