What is the imaginary line that Earth spins around?
Axis
Does the Moon make its own light or reflect light from the Sun?
It reflects light from the Sun.
How many high tides usually occur each day?
2
About how many degrees is Earth's axis tilted?
23.5°
What eclipse occurs when the Moon passes between Earth and the Sun?
Solar eclipse
What is the spinning of Earth on its axis called?
Rotation
What Moon phase occurs when the Moon is between Earth and the Sun?
New Moon
How many low tides usually occur each day?
2
If the Northern Hemisphere is tilted toward the Sun, what season is it there?
Summer
What eclipse occurs when Earth passes between the Sun and Moon?
Lunar eclipse
About how long does one complete rotation of Earth take?
24 hours / 1 day
What does waxing mean when describing a Moon phase?
The visible light is growing/increasing.
What two objects' gravity affect Earth's tides?
The Moon and the Sun
If the Northern Hemisphere is tilted away from the Sun, what season is it there?
Winter
During which Moon phase can a solar eclipse occur?
New Moon
What is Earth’s movement around the Sun called?
Revolution
About how long does it take the Moon to go from a new moon to a full moon?
About 2 weeks
What type of tide occurs during a new moon and full moon?
Spring tide
What two things work together to cause Earth's seasons?
Earth's tilt and its revolution around the Sun
During which Moon phase can a lunar eclipse occur?
Full Moon
How long does Earth take to complete one revolution around the Sun?
365¼ days / 1 year
Put these four phases in order: Full Moon, First Quarter, New Moon, Waxing Crescent.
New Moon → Waxing Crescent → First Quarter → Full Moon
During what two Moon phases do neap tides occur?
First Quarter and Third/Last Quarter
If Earth's tilt decreased to 0°, what major change would occur?
Earth would no longer experience seasons like it does now.
Why don't solar and lunar eclipses happen every month?
The Moon's orbit is tilted about 5° compared with Earth's orbit.