Moon Cycles Word Scramble
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Question | Answer |
Earth's axis? | An imaginary straight line joining the North and South pole |
The North Star? | Polaris (right above North Pole) |
North Celestial Pole | Place in space where Earth's North Pole points to |
South Celestial Pole | Place in space where Earth's South Pole points to |
Why does Polaris appear not to move? | Bc it is so close to the pole |
Rotation | Spinning of an object around its axis |
Does Earth rotate clockwise or counterclockwise? | Counterclockwise |
Celestial objects appear to rise in the ____ | East |
Celestial objects appear to set in the ____ | West |
Earth's tilt | 23.5 degrees from the vertical, relative to the plane of Earth's orbit |
Revolution | Movement of one object around another |
How fast does Earth revolve around the sun? | 29.8 km/s |
What path does Earth revolve on? | Elliptical |
Is the Northern Hemisphere closer or farther from the Sun in the winter? | Closer |
Does the Northern Hemisphere tilt towards or away from the Sun in the winter? | Away from |
Is the Northern Hemisphere closer or farther from the Sun in the summer? | Farther |
Does the Northern Hemisphere tilt towards or away from the Sun in the summer? | Towards |
Why does the temperature and amount of daylight hours change throughout the year? | Bc the Sun's rays spread over smaller and larger areas |
What is solstice? | The shortest and longest periods of daylight which occur when Earth is most inclined into or away from the Sun |
What is equinox? | The time of year when the hours of daylight and darkness are equal |
Eccentricity? | Following 100 000 yr cycle, shape of Earth's orbit varies from being circular to more elliptical owing to influence of gravities of other planets |
Precession? | Earth is slowly wobbling and axis is slowly moving |
Tilt? | Can range from 22.1 degrees to 24.5 degrees |
What is the lunar cycle? | The eight phases of the moon |
How long does a lunar cycle last? | 4 weeks |
List every phase of the moon, in order | New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent |
New moon degrees? | 0 |
Crescent degrees? | 45 |
Quarter degrees? | 90 |
Gibbous degrees? | 135 |
Full moon degrees? | 180 |
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