Tides & Seasons
What is the difference between a high tide and a low tide?
A high tide happens when the part of the ocean faces the moon and the water there bulges toward the moon. The opposite side of the Earth also has a high tide. High tides draw water away from the area between the high tides and cause low tides to form in those areas.
What is a tide?
A tide is the rise and fall of ocean water levels.
Does the direction of the axis in a seasons diagram matter to the order of the seasons?
YES.
How long does it take to complete a lunar cycle? What does this give us on Earth?
It takes 29 ½ days to complete a lunar cycle. This gives us on Earth the phases of the moon.
How long does it take for the Earth to revolve around the sun? What does this give us on Earth?
It takes 365 ¼ days for the Earth to revolve around the sun. This gives us a year on Earth.
How long does it take for Earth to rotate once on its axis? What does this give us on Earth?
It takes Earth 24 hours to rotate once on its axis. This gives us on Earth a day.
List the solstices, their dates, and their seasons
June Solstice: Summer, June 22/December Solstice: Winter, December 22
List the equinoxes, their dates, and their seasons.
March Equinox: Spring, March 21/September Equinox: Fall, September 23
What makes tides possible?
Mostly the moon's gravity makes tides possible, but the sun's gravity also effects tides.
What is a neap tide?
Neap tides are tides that have the smallest daily tidal range.
What moon phases can you find a neap tide in?
Neap tides occur in the 1st and 3rd quarter moons.
What are seasons caused by?
Seasons are caused mainly by the 23.5° tilt of Earth's axis.
What are seasons?
Seasons are periods in a year marked by specific weather conditions, temperatures, and length of the days.
What is a spring tide?
Spring tides are tides that have the largest daily tidal range.
What moon phases can you find a spring tide in?
Spring tides occur in the new and full moons.
List the seasons in order, beginning with the warmest season.
Summer, Fall, Winter, Spring
What two seasons should you attempt to find first, when looking for seasons on a diagram?
The most extreme seasons: Summer and Winter
How do the seasons move?
The seasons move counterclockwise.
Describe a neap tide.
The sun, Earth, and moon are all at a 90 degree angle.
Describe a spring tide.
The sun, Earth, and moon are all in alignment (SME or SEM).
What is the difference between revolve and rotate?
To revolve is to move in a circle around a fixed point. To rotate is to spin or turn on an axis.
If it is spring in the Southern Hemisphere, it is ________ in the Northern Hemisphere.
fall
If it is summer in the Northern Hemisphere, it is ___________ in the Southern Hemisphere.
winter
