Revolution, Rotation, Day, and Night
Reasons for Seasons
Moon Phases
Eclipses
Random
100
The spinning of an object in space on its axis
Rotation
100
What happens when an equinox occurs? (An Equinox happens twice a year, March 21st and September 21st. What happens on these days?)
Sunlight shines equally on the Northern and Southern Hemispheres. Half of each hemisphere is lit and the other half is in darkness. Both hemispheres will have the same amount of daylight and darkness.
100
During this phase, the moon is not visible at all from Earth.
New Moon
100

What is it called when one object in space casts a shadow onto another.

Eclipse

100
  • The force of attraction that an object with mass exerts on another object with mass.

gravity

200
The time it takes Earth to complete one rotation
One day or 24 hours
200
What happens when a solstice occurs? (A solstice happens on June 21st and December 21st. So what happens on these days?)
The area of sunlight is at a minimum in one hemisphere and a maximum in the other hemisphere.
200
During this lunar phase, the moon is fully illuminated.
Full Moon
200

Name the two types of eclipses.

Solar and lunar eclipses

200
  • What season is it for the Northern Hemisphere when the axis is tilted towards the sun?

summer

300
When half of the Earth is facing the sun it is called...
daytime
300
  • A division of the year that is characterized by recurring weather conditions.

season

300

To decrease gradually in size. The illuminated part of the moon is becoming smaller.

Waning

300

What is the order of the earth sun and moon during a lunar eclipse?

lunar - sun, earth, moon 

300
  • During what phases of the moon do neap tides occur?

1st and 3rd Quarter

400
When half of Earth is facing away from sun it is called...
nighttime
400
  • Is the sun higher or lower in the sky during winter?

lower

400

To increase gradually in size. The illuminated part of the moon is becoming bigger.

Waxing

400

During this type of eclipse the sun's light is is completely blocked by the moon.

Solar Eclipse

400

What are the daily changes in the level of ocean water called?

Tides

500
  • The motion of a body that travels around another body in space.

revolution

500
  • What two things cause seasons on Earth?

tilt of axis and revolution

500

How long does it take for the moon to complete its orbit around the Earth?

29.5 days or 1 month

500

During this type of eclipse the moon moves completely into Earth's umbra. The moon is not visible from Earth.

Lunar Eclipse

500
  • The largest tidal range that occurs during the full and new moon phases.

spring tides

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