Quiz 16 - 4.7 - 4.9 Flashcards
The amount of time it takes a comet to complete an orbit
period
The type of tide that occurs when the gravitational forces of the sun and the moon work against each other, resulting in weaker tides
neap tide
a group of asteroids found in the inner solar system, many of which cross paths with Earth
near-earth asteroids
little “planets” ranging in size from from a few hundred miles across to the size of a house; most are found in a belt between Mars and Jupiter
asteroids
pieces of space debris that are smaller than the smallest asteroids
meteoroids
What term describes the ocean at its lowest point on the shore?
low tide
In what region of the earth’s atmosphere is the harmful ultraviolet radiation filtered out?
ozone layer
What is the completion of a moon’s revolution called?
lunar month
How long does it take for the earth to complete its revolution?
365 1/4 days
