Tides
What causes tides?
Gravity of the moon and sun. Mostly from the moon.
What happens to the moon during the waxing phases?
Which object in our solar system produces it's out light?
The sun
Sunlight hits this area more directly because the Earth is tilted on its axis
Earth's path as it revolves around the sun
Orbit
How many low and high tides are there each day?
2 low tides
2 high tides
What happens to the moon during the waning stages?
The moon appears to get smaller.
What object in space has the greatest influence on the Earth's tides and why?
Moon. Because it is close to Earth
the imaginary line that passes though the Earth's center and the North and South poles that causes seasons on Earth
Axis
the spinning of Earth on its axis
rotation
What type of small tide is cause by the moon and sun being at a right angle to each other?
Neap Tide
the phase of the moon in which only a curved edge of the moon's side that faced earth is illuminated,
crescent moon
Explain what causes seasons.
The tilt of the earth and and the amount of sunlight each region gets during that time.
When the north end of Earth's axis is tilted toward the sun, the Northern Hemisphere has ________________.
Summer
the movement of one object around another
revolution
You visited the beach at 12 p.m. (noon) and it is high tide. If you return 6 hours later what tide will you see?
Low tide
when the size of the illuminated portion of the moon is greater than half but not a full moon is called what?
gibbouse moon
The amount of gravity between 2 objects depend on what?
The mass of the objects and the distance between the objects.
-occurs half way between the solstices, when neither hemisphere is tilted toward or away from the sun (two days a year)
Equinox
the different shapes of the moon you see from Earth
moon phases
Tides rise and fall about every 12 hours due to the _______ of the Earth.
rotation
The phase of the moon when it is three-quarters of the way through its orbit, and we see half of the moon lighted
Third quarter moon
Describe the motions of moon, the earth and sun
The moon revolves around the earth, the earth revolves around the sun.
-two days each year, when the noon sun is overhead at either 23.5 degrees south or 23.5 degrees north (longest and shortest day of the year)
Solstice
What type of eclipse is it when the moon blocks the sun? The moon is between the sun and Earth.
Lunar eclipse.