Earth’s Rotation & Revolution
What movement of Earth causes day and night?
Rotation
What Moon phase occurs when the Moon cannot be seen from Earth?
New Moon
What is the daily rise and fall of ocean water called?
Tides
What season occurs when the Northern Hemisphere is tilted most toward the Sun?
Summer
What type of eclipse occurs when the Moon blocks the Sun?
Solar eclipse
About how long does it take Earth to complete one full rotation?
24 hours
What phase occurs when the entire face of the Moon is lit up?
Full Moon
What force mainly causes tides on Earth?
The Moon’s gravity
What causes the seasons on Earth?
Earth’s tilt as it revolves around the Sun
What type of eclipse occurs when Earth’s shadow falls on the Moon?
Lunar eclipse
About how long does it take Earth to revolve around the Sun once?
365 days (about 1 year)
Which phases looks like half of the Moon is illuminated?
Quarter Moon (First Quarter and Third Quarter)
What type of tides occur when the Sun, Moon, and Earth line up and tides are the strongest?
Spring tides
What season occurs in the Northern Hemisphere when the South Pole is tilted toward the Sun?
Winter
During what Moon phase does a solar eclipse occur?
New Moon
What is the imaginary line that Earth spins around called?
Earth’s axis
About how many days does it take for the Moon to complete all its phases?
About 29.5 days
What tides occur when the Sun and Moon pull at right angles, causing weaker tides?
Neap tides
What do we call the time when day and night are about equal in length?
Equinox
What is it called when the Moon completely covers the Sun during an eclipse?
Total solar eclipse
In which direction does Earth rotate, making the Sun appear to rise in the east?
West to east
What are the phases called when the lit portion of the Moon is increasing?
Waxing phases
During which season does the Northern Hemisphere have the longest amount of daylight? During which season does the Northern Hemisphere have the shortest amount of daylight?
Summer: longest amount of daylight
Winter: shortest amount of daylight
During an eclipse, what do we call the darkest part of the shadow and the lighter, outer part of the shadow?
Umbra (darkest part) and Penumbra (lighter part)