Show:
Earth
Sun
Moon
This and That
Vocabulary
100
This causes the Earth's seasons.
What is the tilt of the Earth?
100

light from the sun travels in...

What is the "straight lines"?

100
It takes this long for the moon to revolve completely around the Earth.
What is 29 days or about a month?
100
This keeps the Earth and moon in their orbits.
What is "gravity"?
100
This word describes the Earth spinning continuously.
What is "rotating"?
200
The shape of the Earth
What is a "sphere"?
200
The sun is a big fiery ball of gas called this.
What is a "star"?
200
Solar refers to the sun. This term refers to the moon.
What is "lunar"?
200
It takes this long for the Earth to complete on full rotation.
What is 24 hours?
200

the nearly circular path a smaller object travels around a larger object

What is the "orbit"?

300
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
300
The sun rises in this direction.
What is the "east"?
300
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
300
This object is used to study far away objects in the sky.
What is a "telescope"?
300

something we observe to be similar over and over again

What is "pattern"?

400

We can only see half of this that is face the Earth

What is "the moon"?

400

This occurs when the Earth moves in between the Sun and Moon on the same exact line.

What is a "Lunar Eclipse"?

400
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time.
What is a "lunar eclipse"?
400
The sun appears higher in the sky during this time of year because of the tilt of the earth.
What is "summer"?
400

the border between light and dark on the moon

What is "terminator"?

500
The imaginary line horizontally around the middle of the Earth.
What is the "equator"?
500

Look at the picture on the board. How should the moon be shaded in?

What is light on the right side, shaded in dark on the right.

500
The moon affects this part of the Earth, changing it daily on our beaches.
What is the "ocean tide"?
500
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"?
500

to shine light on an object and make it visible 

What is the "illuminate"?