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Objects in the Sky

Test 1 (Lessons 1-4)

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.
Created by: lblowers