Shedding light on motion. Episode 3, Relative motion / written and directed by Spiro Liacos ; Liacos Educational Media.
Introduces students to the concept that the movement of an object is always relative to something else. We call it "sunrise" but is it really? Can we stand still and move around from place to place at the same time? If a car is moving forwards, can it also be moving backwards at the same t...
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