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The Earth
Understand that the Earth is a planet that rotates on its tilted axis approximately every 24 hours, and use this knowledge to explain the observed daily movement of the Sun and the cycle of day and night.
4
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40
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28
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90 min
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CambridgeIGCSEPhysicsSpace physics
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The Earth outcomes4 objectives
- Understand that the Earth is a planet that rotates on its tilted axis approximately every 24 hours, and use this knowledge to explain the observed daily movement of the Sun and the cycle of day and night.
- Recognize that the Earth completes an orbit around the Sun roughly every 365 days, and apply this understanding to explain the cyclical nature of the seasons.
- Acknowledge that the Moon takes about one month to orbit the Earth, and utilize this information to explain the recurring phases of the Moon.
- Define average orbital speed using the formula 2 r π v = T, where r represents the average radius of the orbit and T is the orbital period; remember and apply this formula.
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