Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Moon Cycles
| 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 |
Created by:
lovinglifexoxo
Popular Science sets