Moon Phases
Seasons
Tides
Eclipses
Vocabulary
100
What word do we use for when the amount of light on the moon is growing?
Waxing.
100
If the northern hemisphere is experiencing spring, the southern hemisphere is experiencing...
Fall.
100
What causes tides?
The pull of gravity from the moon and sun.
100
What order are the moon, sun, and Earth in during a solar eclipse?
Sun, Earth, Moon (SME)
100
Define: Illuminate
To light up.
200
How long does it take to go through all the moon phases and complete one lunar cycle?
Approximately 28 days (1 month)
200
Which position represents winter in the northern hemisphere?
Position D.
200
Describe the tides during a Spring Tide.
The high tides are higher and the low tides are lower.
200
What is the difference between a partial and total eclipse?
A total eclipse happens when the Sun earth and moon are perfectly lined up. A partial eclipse happens when they aren't perfect, but they do cross paths.
200
Define: Rotate
To spin around on an axis.
300
How much of the moon is always illuminated?
Half
300
Which position shows winter in the southern hemisphere?
Position B.
300
Describe the difference in high and low tides during a Neap Tide.
The high and low tides are not very different.
300
What is the difference between the umbra and penumbra of an eclipse?
The Penumbra is a lighter shadow, the umbra is the darkest part that causes a total eclipse.
300
Define: Revolve
To circle another object.
400
What phase is happening when more than half, but not all, of the moon is illuminated?
A waxing or waning gibbous.
400
How long does it take for the Earth to fully revolve around the sun?
365 days or 12 months
400
This type of tide happens when the Sun, Earth, and Moon form a right angle.
Neap Tides
400
Which type of eclipse shows the moon blocking out the sun's light?
A solar eclipse
400
Define: Solstice
The longest or shortest days of the year. The summer solstice has the most sunlight, the winter solstice has the least sunlight of any days.
500
Why do we see different moon phases throughout the month?
The moon's changing position in relationship to the Earth and the sun means that we see the light from different angles.
500
Why do we experience different seasons on Earth?
Earth's axis is tilted and we revolve around the sun. This means that different areas receive different amounts of light depending on the time of year/Earth's position.
500
Why are we able to predict tides?
Tides are predictable because the moon's position is predictable.
500
Why can't everyone on Earth see a total solar eclipse when one happens?
The umbra's path only passes over a small area.
500
Define: Equinox
Days that experience equal amounts of daytime and nighttime.