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SMP, Inv. 1

Sun, Moon, and Planets - Investigation 1

TermDefinition
Axis an imaginary line around which a sphere, like a planet, rotates
Compass an instrument for determining directions, as by means of a freely rotating magnetized needle that indicates magnetic north
Day the time between sunrise and sunset on Earth
Night the time between sunset and sunrise on Earth
North Pole one of the ends of an imaginary axle, called an axis, on which earth rotates. The North Pole always points toward the North Star.
North Star the star positioned directly over Earth’s North Pole; also known as Polaris
Orbit to move or travel around an object in a curved path
Orientation the direction something points
Revolution to travel around something else in a circular path; orbit
Rotation turning around on an axis
Shadow the dark area behind an object that blocks light
Sun the star at the center of the solar system around which everything else orbits
Sunrise the point between night (darkness) and day (daylight). The time at which day first happens.
Sunset the point between day (daylight) and night (darkness). The time at which night first happens.
Created by: cbuzynski
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