6 AxisThe imaginary line through the planet from the North Pole to the South Pole
7 Foucault PendulumWhen allowed to swing freely, its path will appear to change in a predictable way. This is evidence of Earth’s rotation because the pendulum – due to inertia – would continue to swing in the original path if the Earth did not rotate
8 Coriolis EffectTendency of all particles of matter moving at Earth’s surface to be deflected, or curve away, from a straight-line path
9 ConstellationA group of stars that form a pattern and are used to help people locate celestial objects
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