Vocab
The imaginary line that planets and moons spin on.
Axis
Earth rotates on its axis once every ___ hours.
24
Earth’s tilted axis and revolution around the Sun cause this.
Seasons
The period when we see more and more of the Moon from Earth.
Waxing
This phase occurs when Earth is between the Sun and the Moon, and the Moon appears as a full circle.
A curved path around an object.
Revolution
As Earth spins, the side facing the Sun experiences this.
Day
When the northern hemisphere is tilted toward the Sun, it experiences this season.
Summer
The period when we see less and less of the Moon from Earth.
Waning
This crescent phase occurs right after the new moon as the moon is growing each day
Waxing crescent
When one celestial object passes through the shadow of another.
Eclipse
A full day on the Moon lasts about this long in Earth time.
1 earth month
When the Northern hemisphere experiences summer, at the same time, the southern hemisphere experiences this season.
Winter
Occurs when less than half of the moon is illuminated
crescent
This gibbous phase occurs right after the full moon.
When the Moon goes into Earth’s shadow and appears reddish.
Lunar Eclipse
Earth’s circumference is wider at the equator than at the poles because of this.
Earth's speed and rotation
During spring and fall, both the northern and southern hemispheres receive nearly _______amounts of sunlight.
the same
Occurs when more than half of the Moon is illuminated
Gibbous
This quarter phase occurs when the Moon is waning back to a new moon
last quarter
When the Moon passes between Earth and the Sun, covering part or all of the Sun.
Solar Eclipse
Why does solar energy hit the equator more directly than the poles?
The earth isn't a perfect sphere
BONUS: Explain why Earth’s distance from the Sun does not cause the seasons, even though Earth’s orbit changes position throughout the year.
Revolution doesn't effect how much sunlight earth gets, just the earth's rotation
Occurs when the Moon is at a 90° angle to Earth and the Sun, showing half the Moon.
Quarter
Occurs when the Moon is located directly between Earth and the Sun and is not visible at night.
new moon