Planetary Motion
Rotation
the spin of a body on its axis
What are the 4 seasons that we experience in the Northern Hemisphere?
Spring, Summer, Fall, and Winter
How many moon phases are there?
8
What is a tide?
the periodic rise and fall of the water level in the oceans and other large bodies of water.
the path that a body follows as it travels around another body in space.
What is the tilt of the Earth?
23.5 degrees
What is a phase?
the change in the sunlit area of one celestial body as seen from another celestial body.
What is a high tide?
Moon's gravity pulls on the liquid water the strongest.
The highest point that the water reaches.
What is a revolution?
the motion of a body that travels around another body in space; one complete trip along an orbit.
What is an equinox?
The moment when the sun's path passes the celestial equator.
List the phases in order.
New Moon, Waxing crescent, First Quarter, Waxing gibbous, full moon, waning gibbous, last quarter, and waning crescent.
What is low tide?
The lowest point that the water line will get it.
What is a day?
the time required for Earth to rotate once on its axis.
What is a solstice?
The point at which the sun is as far north or as far south of the equator as possible.
What is an eclipse?
an event in which the shadow of one celestial body falls on another.
What is a tidal range?
the difference in levels of ocean water at high tide and low tide.
Why do we have a leap year?
Due to the earth rotating at 23 hours and 56 minutes. We have to have a day to make up the extra 4 minutes a day every 4 years.
Why does the region around earth along the equator not have seasonal changes?
Some places on Earth do not have much seasons due to the sunlight hits the Earth's surface differently depending on latitude.
What is the difference between a lunar eclipse and a solar eclipse?
Lunar eclipse: Earth casts shadow on the moon
Solar eclipse: Moon casts a shadow on the Earth
Why is knowing high tide and low tides important?
You need to know tidal range during travel so you do not get caught in a dangerous situation.