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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.
season One of 4 quarters of a year (Spring, summer, fall, winter)
tilt To shift to be slanted
graph A way to organize data (information)
x-axis The horizontal line (left to right) on a graph that represents (shows) the INDEPENDENT variable.
y-axis The vertical line (up & down) on a graph that represents (shows) the DEPENDENT variable
dependent variable The data (information) that can change.
independent variable The data (information) that does not change
month The amount of time it takes the moon to orbit the Earth 1 time.
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