Earth
This causes the Earth's seasons.
What is the tilt of the Earth?
The dark, smooth places on the moon are called this.
What are the "Maria"?
It takes this long for the moon to revolve completely around the Earth.
What is about 28 days?
This keeps the Earth and moon in their orbits.
What is "gravity"?
This word describes the Earth spinning continuously.
What is "rotating"?
This type of wave can be as tall as a building
What is "radio wave."
The points in the Earth's orbit where the lengths of the day and the night are equal.
What is a "equinox"?
The features that are formed on the moon by objects crashing into its surface.
What is "impact craters?"
Solar refers to the sun. This term refers to the moon.
What is "lunar"?
It takes this long for the Earth to complete one full rotation.
What is 24 hours?
This imaginary line goes from the North Pole to the South Pole through the center of the Earth.
What is the "axis"?
This word describes the distance between crests or troughs
What is "wavelength"
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
The light colored, mountainous regions of the moon.
What are "highlands"?
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
This type of telescope uses mirrors to bounce light to the eye piece.
What is a "reflecting telescope"?
This term is used to describe the phase of the moon when we see all of the lit side.
What is "full moon"?
Name the only type of light that humans can see
When it is day and winter in North America, it is this and this in South America.
What is "day and summer"?
Long lines of ejecta are called this.
What are "rays"?
During this process, the moon moves through the Earth's umbra.
What is a "lunar eclipse"?
The sun appears higher in the sky during this time of year because of the tilt of the earth.
What is "summer"?
As we see less and less of the lit part of the moon, we say that it is doing this.
What is "waning"?
As the amplitude of a wave decreases, the frequency of the wave (increases/decreases).
What is "increases"
The imaginary line horizontally around the middle of the Earth.
What is the "equator"?
There is no erosion on the moon due to these causes (choose 1)
What is "no atmosphere or flowing water"?
The moon always shows the same face to the earth so it is described as having this type of rotation.
What is "synchronous rotation"?
We have this special day every 4 years in February because it takes the Earth 365 and 1/4 days to revolve around the sun.
What is "Leap Day"?
This describes when the moon is farthest from the earth in its orbit.
What is "apogee"?
The smallest type of electromagnetic wave, used on earth for treating cancer with radiation therapy.
What is "gamma wave"