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Learning objective

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.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE PhysicsSpace physicsCore content

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Quick explanation

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

  • This point belongs to The Earth, especially The Earth outcomes.
  • You need to be able to 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.
  • The key ideas to know are Explain, Describe, and Use.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

ExplainDescribeUse

Why it matters

This objective helps connect The Earth outcomes to exam-style questions, flashcards, and revision notes for The Earth.

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Flashcards10 linked cards

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Practice Questions7 linked questions

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Paper 3 structured question: The Earth

Paper 3Theory (Core)1 marks

Description

Earth's Rotation

The Earth rotates on its tilted axis approximately every 24 hours, leading to the cycle of day and night.

  1. a

    State the duration of one complete rotation of the Earth on its axis.

    Aim for approximately 1 distinct marking point.

    [1]
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