Earth
This causes the Earth's seasons.
the tilt of the Earth
The word "solar" refers to this object.
the sun
It takes this long for the moon to revolve completely around the Earth.
about a month
This keeps the Earth and moon in their orbits.
gravity
This word describes the Earth spinning continuously.
What is rotating
The shape of the Earth
round or a sphere
The sun is a big fiery ball of gas called this.
a star
DOUBLE JEOPARDY Solar refers to the sun. This term refers to the moon.
lunar
It takes this long for the Earth to complete on full rotation.
a day or 24 hours
This imaginary line goes from the North Pole to the South Pole of the Earth.
the earths axis
The Earth takes this long to revolve around the sun.
a Year
The sun rises in this direction.
east
During this phase of the moon, we can see no light from the moon.
new moon
Double jeopardy This object is used to study far away objects in the sky.
telescope
This term is used to describe the phase of the moon when we see all of the lit side.
full moon
When it is winter in North America, it is this in Australia.
summer time
This occurs when the moon moves between the sun and the Earth, blocking some the the sun's light.
a solar eclipse
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time.
lunar eclipse
The sun appears higher in the sky during this time of year because of the tilt of the earth.
summer
As we see less and less of the lit part of the moon, we say that it is doing this.
waning
DOUBLE JEOPARDY The imaginary line horizontally around the middle of the Earth.
What is the Earth's equator
This is how the sun's rays strike the Earth in the summer.
directly
The moon affects this part of the Earth, changing it daily on our beaches.
a 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.
Leap Year
DOUBLE JEPARDY The Earth ____________ on it's axis and _____________ around the sun.
rotates, revolves