This causes the Earth's seasons.
What is the tilt of the Earth?
The word "solar" refers to this object.
What is the "sun"?
It takes this long for the moon to revolve completely around the Earth.
What is 29 days or about a month?
This keeps the Earth and moon in their orbits.
What is "gravity"?
This causes the phases of the moon.
What is "the changing position of the sun, the earth, and the moon"?
The shape of the Earth
What is a "sphere"?
The sun is a big fiery ball of gas called this.
What is a "star"?
Solar refers to the sun. This term refers to the moon.
What is "lunar"?
It takes this long for the Earth to complete on full rotation.
What is 24 hours?
As we see more and more of the lit part of the moon, we say that it is doing this.
What is the "Waxing"?
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
The sun rises in this direction.
What is the "east"?
The position of the sun, moon, and earth during a solar eclipse. starting with the sun.
What is a "sun, moon, earth"?
This object is used to study far away objects in the sky.
What is a "telescope"?
This term is used to describe the phase of the moon when we see all of the lit side.
What is "full moon"?
When it is winter in North America, it is this in Australia.
What is "summer"?
This occurs when the moon moves between the sun and the Earth, blocking some the the sun's light.
What is a "solar eclipse"?
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time.
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"?
The cause of day and night.
What is "earth's rotation on its axis"
This is how the sun's rays strike the Earth in the summer.
What is "directly"?
The moon affects this part of the Earth, changing it daily on our beaches.
What is the "ocean tide"?
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 Year Day"?
There are this many phases of the moon. They exist in this order starting with the new moon.
What is the "8, new moon, waxing crescent, 1st quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent"?