Moon
the moon appears different at night because it ______ the earth
this word describe a spin on a planet on its axis
rotation
the imaginary line that separates the two hemispheres and is considered to be the hottest part of earth
equator
TRUE OR FALSE: a dwarf planet is not considered to be a planet because it is too small
True
define polaris
north star
If there is a full moon on Monday night, there will be a _____ moon Tuesday night
wanning gibous
the completion of one rotation around earth takes _____ hours
24 (one day)
the motion of earth around the sun most affects the
cycle of the seasons
Earth, Venus, Saturn, Uranus, Mercury, Mars, Neptune, Jupiter
define gravitational pull
pull on an object from earth
the moon cycle takes about ____ days
28
what causes day and night?
rotation of earth on its axis
Why do stars appear to move across the sky?
the earth is rotating on its axis
Name two Dwarf Planets
Ceres, Hailey, Vesta, Haumea
this is known as rocky substances that have fallen from planets; no atmosphere
Asteroid
what is a new moon?
lit half of the moon is facing away from earth
the sun rises in the _____ and sets in the _____
east, west
explain a solar eclipse
when the sun, moon and earth align (shadow on sun)
known as terrestrial planets because they are rocky
Earth, mercury, venus, mars
known as collection of stars, gases, and dust
Galaxy
how do we describe a moon that appears to be getting bigger?
waxing moon
during the winter, the earth's axis is tilted ____ from the sun
away
in which season is energy from the sun the most direct?
summer
what are gas giants?
huge planets composed of helium and hydrogen (Saturn, Jupiter, Neptune, Uranus)
how earth moves around the sun
Revolution