Gravity & Rotation/Revolution
This force of attraction exists between all objects with mass.
What is gravity?
This is the angle of Earth’s tilt on its axis.
What is 23.5°?
This season begins on March 20th.
What is spring?
We see the Moon because it reflects this from the Sun.
What is sunlight?
This type of eclipse happens when the Moon blocks light from the Sun from reaching Earth.
What is a solar eclipse?
This motion of Earth causes day and night.
What is rotation?
This type of sunlight hits Earth straight on and warms it more.
What is direct sunlight?
This season has the longest days, shortest nights, and hot weather.
What is summer?
This is how long it takes the Moon to complete one full lunar cycle.
What is 29 ½ days?
This type of eclipse happens when Earth blocks sunlight from reaching the Moon.
What is a lunar eclipse?
This motion is the movement of one object in a circular path around another object.
What is revolution?
These two lines of latitude mark the region where sunlight always hits Earth directly.
What are the Tropic of Cancer and the Tropic of Capricorn?
This day marks the longest day of the year.
What is the summer solstice?
This lunar phase occurs when the Moon is between the Sun and Earth.
What is the new moon?
A solar eclipse can only occur during this lunar phase.
What is a new moon?
This is how long it takes Earth to complete one full revolution around the Sun.
What is 365 ¼ days?
This is where the Sun appears directly overhead during the spring and fall equinox.
What is the Equator?
During this season, the days become shorter (Not the shortest).
What is autumn (fall)?
This phase looks like a right-sided half circle in the sky.
What is first quarter?
This is why eclipses do not happen every month.
What is the Moon’s tilted orbit around Earth?
This explains why we always see the same side of the Moon from Earth.
What is the Moon rotating at the same rate it revolves around Earth?
When the Northern Hemisphere is tilted toward the Sun, these latitude regions experience summer, while the opposite regions experience winter.
What are regions between 23.5°N and 66°N (and 23.5°S to 66°S experiencing winter)?
At summer solstice, regions north of the _________ experience 24 hours of sunlight.
What is Arctic Circle?
This explains why the Moon’s appearance changes even though half of it is always lit by the Sun (Be specific).
What is the Moon’s changing position as it revolves around Earth, changing how much reflected light reaches Earth?
During a total lunar eclipse, why does the Moon appear red?
What is Earth's atmosphere scatters the blue light while allowing red light?