Tides
Earth and Moon
Moon
Eclipses
Seasons
100
What is a tide?
Daily changes in the level of ocean water.
100
What is the time called for a planet to rotate once on its axis?
One day.
100
What does the moon's gravity cause here on Earth?
The Earth's tides.
100
What happens during a total Solar Eclipse?
The moon is directly between the Earth and the sun, and the shadow of the moon is casted onto Earth.
100
What is a Solstice?
A solstice is an area of sunlight at its maximum in one hemisphere, and it's minimum in the other.
200
What is a Tidal Range?
The difference between the levels of ocean water at High Tides and Low Tides.
200
What created the moon?
A meteor struck Earth taking out a portion of crust. Debris was sent into orbit, and after millions of years, it formed the moon.
200
Why is the moon visible from Earth?
The moon's surface reflects sunlight onto Earth.
200
What is a total Lunar Eclipse?
When the moon moves completely into Earth's shadow.
200
What is the Autumnal Equinox?
The September (Autumnal) Equinox is when the Earth is in this position sunlight shines equally on both poles.
300
What are Spring Tides?
Tides that have the largest daily Tidal Range.
300
How many lunar phases are there on Earth's moon?
Eight Lunar Phases.
300
How long does it take the moon to orbit Earth once?
It takes the moon approximately 27.3 days to orbit Earth.
300
How often do Solar Eclipses happen?
One about every two years.
300
What is a Season?
A season is characterized by a pattern and other weather trends.
400
What are Neap Tides?
Tides that have the smallest daily Tidal Range.
400
What is an Eclipse?
An event during which an object casts a shadow onto another object.
400
What is a Solar Eclipse?
When the moon passes between the Earth and the sun so that the sun is partially or totally obscured.
400
What is an Umbra?
The darkest part of a shadow.
400
What month does winter begin in the Southern Hemisphere?
In the Southern Hemisphere, winter begins in June.
500
How often does the Tide Cycle occur?
Every 24 hours and 15 minutes.
500
What is the Waxing phase of the moon?
When the right side of the moon is lit up.
500
What is the distance between the Earth and the moon?
The distance between the Earth and the moon is about 238,000 miles.
500
What is a Penumbra?
The lighter part of a shadow.
500
How many equinoxes are there in a year?
There are 2 equinoxes every year.