Definitions
The orbit of an object around another object
Revolution
The spin of an object around its axis
An equinox and solstice occur ________ a year
Twice
It takes Earth ________ year to revolve around the sun
The waxing phases are waxing crescent, first quarter, and waxing gibbous
True
The periodic rise and fall of the oceans’ surfaces which are caused by the gravitational force between Earth and the Moon and the Sun
Tides
When Earth's rotation axis is tilted directly toward or away from the sun
Solstice
An equinox occurs during which two months
March and September
It takes Earth _________ hours to rotate around the sun
24 hours (One day)
Earth's orbit is flat and not elliptical
False; Earth's orbit is nearly round
Occurs when Earth's rotation axis is tilted neither toward or away from the sun
Equinox
When the lit portion of the Moon becomes larger
Waxing
A solstice occurs during which two months
June and December
Earth is one of the ________ planets to orbit the sun
Eight
As Earth orbits the Sun, its North and South Poles always point in the same direction
True
When the lit portion of the Moon becomes smaller
Waning
The movement of one solar system object in the shadow of another
Eclipse
Earth's _________ is the cause for the changing seasons
Tilt
High tides and low tides are mostly caused by the _____
Moon
Summer and Fall begin when there are equal hours of daylight and darkness
False; Spring and Fall
An imaginary axle in which the Earth rotates around
Axis
The appearance of the Moon as it makes one full revolution around the Earth
Lunar Cycle
What does the Moon look like from our position on Earth when it is 1st quarter
Half of the Moon is lit
The waning gibbous, last quarter, and waning crescent occur during a full moon or new moon?
Full Moon
When it is summer in the northern hemisphere, it is spring in the southern hemisphere
False; Winter in the southern hemisphere