The student is expected to demonstrate that Earth rotates on its axis
once approximately every 24 hours causing the day/night cycle and the
apparent movement of the Sun across the sky.
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Rotation: A 24-hour period,
or, the time it takes the Earth to make one complete rotation on its axis
Axis: A line, real or
imaginary, around which something spins
Day: The time during
rotation when the Earth faces the Sun and it is lighted; this rotation gives
the false appearance that the Sun travels from east to west across the sky
Night: The time during its
rotation when the Earth faces away from the Sun and it is dark; this rotation
gives the false appearance that stars move across the sky
Compass: Instrument that
uses a small magnet to show which direction is North (N)
Sundial: Instrument that
measures the time of day by using the position of the Sun
Shadow: A dark area caused
when an object blocks light falling on a surface
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