Tides
What causes the tides?
Gravitational Pull of the Moon and, to a lesser extent, the sun and earth
What is the cause of the Earth's seasons?
Tilt of the Axis
Occurs when the moon completely covers the sun
Solar Eclipse
Phase when moon is between Earth and Sun; moon cannot be seen in night sky
New Moon
What is a Revolution?
When one object circles another object.
What is a high tide and how often does it happen per day?
It is when the ocean level rises the highest and happens twice a day
What is the angle at which the Earth's axis is tilted?
23.5 degrees
Occurs when the Earth's shadow falls upon the moon and the Earth is between the Sun and Moon
Lunar Eclipse
Phase when Earth is between Sun and Moon; Moon appears to be its largest size in night sky
Full Moon
What is a Rotation?
When an object spins in place (on its axis)
What is a low tide and how often does it happen per day?
It is the lowest level the ocean will sink to in a day and happens twice per day
What is the name of the imaginary line that runs through the North and South Pole that the Earth spins on?
Axis
Which happens more frequently: solar or lunar eclipses?
Lunar Eclipses
When the moon appears to be half full in the night sky (hint: two answers)
First Quarter; Last Quarter
How long does it take for the Earth to revolve around the sun?
365 days/1 year
What is a Spring tide and during which moon phases does it occur?
It is when the greatest differences between high and low tide occur; happens during full moon and new moon phase
If it is winter in the Northern Hemisphere what season is it in the Southern Hemisphere?
Summer
Common name for lunar eclipse (hint: think colors)
Blood Moon
Name for moon phase after last quarter as it appears to shrink in the sky
Waning Crescent
How long does it take for the Earth to complete one rotation?
24 hours/ 1 day
What is a Neap Tide and during which moon phases does it occur?
It is when the smallest/weakest differences between high and low tide occurs; happens during the first quarter and last quarter moon phase.
The first day of spring and autumn (fall) are the only two days of the year when the entire Earth receives equal amounts of sunlight. What is the scientific name for this phenomenon?
Equinox
The path of totality during a solar eclipse (when the sun is completely covered by the moon) is the part of the Earth that falls under the Moon's ___________. Give the scientific name (do NOT say shadow!!!)
Umbra
Name for moon phase as it appears to grow night after night and is ALMOST full
Waxing Gibbous
How long does it take for the moon to complete one revolution around the Earth
28 Days/ 4 Weeks