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Objects in the Sky
Test 1 (Lessons 1-4)
Term | Definition |
---|---|
axis | The imaginary line going through the center of the Earth between the North and South poles Earth tilts on its axis. |
tilt | To shift to be slanted |
dependent variable | The data (information) that can change. (Y- Axis) |
independent variable | The data (information) that does not change (X- Axis) |
Reason we have 4 seasons | 1) The tilt of the Earth on its axis. 2) The amount if direct sunlight on areas of Earth as it orbits the sun. |
year | The amount of time it takes the Earth to orbit the sun 1 time. (365 days) |
day | The amount of time it takes the Earth to complete 1 rotation (spin) on its axis. (24 hours) |
orbit | To go completely around another object. |
revolution | The completion of the orbit around a center. |
rotation | The completion of 1 spin around an axis. |