Show:
Earth
Sun
Moon
This and That
Vocabulary
100
This causes the Earth's seasons.
What is the tilt of the Earth?
100
Atoms combine during this process to produce energy.
What is the "nuclear fusion"?
100
It takes this long for the moon to revolve completely around the Earth.
What is 29.5 days or about a month?
100
This keeps the Earth and the Moon in their orbits.
What is "gravity"?
100
This word describes the Earth spinning continuously.
What is "rotating"?
200
The shape of Earth's orbit.
What is "nearly circular"?
200
The Sun's energy reaches earth as thermal energy and ___.
What is "light"?
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
This imaginary line goes from the North Pole to the South Pole of the Earth.
What is the "axis"?
300
The Earth takes approximately this long to revolve around the sun.
What is a "approximately a year"?
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 is the main cause for tides.
What is "gravitational pull"?
300
Day on which Earth’s axis is not leaning toward or away from the Sun
What is "equinox"?
400
In North America, it is summer when the Earth is tilted ____ the Sun.
What is "torwards"?
400
This occurs when the Moon moves between the sun and the Earth, blocking some the the sun's light.
What is a "solar 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
It is always warmer near this part of the Earth.
What is "equator"?
400
As we see less and less of the lit part of the moon, we say that it is doing this.
What is "waning"?
500
Seen from the part of Earth in the Moon’s umbra.
What is a "total solar eclipse"?
500
Occurs when the Moon passes through Earth’s umbra.
What is "total lunar eclipse"?
500
This causes the ocean tides.
What is "the Moon's gravity"?
500
If a solar eclipse occurs at 4:45pm, what time is it over?
What is "5:52pm"?
500
The Moon's gravity causes this to happen in the Earth's oceans.
What is a "tidal bulge"?