Chapter 2 Science 6 Vocab

Front

The orbit of an object around another object

Back

revolution

Front

occurs when Earth's rotation axis is tilted neither toward nor away from the sun "equal night"

Back

equinox

Front

The spin of an object around its axis (causes day and night)

Back

rotation

Front

When the Earth's rotation axis is tilted directly toward or away from the Sun (happens in June and December)

Back

equinox

Front

The periodic rise and fall of the oceans' surfaces caused by the gravitational force between Earth and the Moon and the Sun

Back

tides

Front

The lit portion of the moon becomes smaller

Back

waning

Front

The lit portion of the moon becomes larger

Back

waxing

Front

The movement of one solar system object into the shadow of another object (solar and lunar).

Back

eclipse

Front

The time it takes for the Earth to complete one full orbit around the Sun.

Back

revolution

Front

A ______ orbits the sun, is massive enough to be nearly spherical in shape, and has no other large object in its orbital path.

Back

planet