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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Stars and the Universe

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4

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Stars and the Universe

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Paper 3Theory (Core)4 marks

Understanding the Sun's role in the solar system is essential for studying astronomy.

Description

The Sun's Energy Emission

The Sun emits energy that is vital for life on Earth and influences weather patterns.

  1. a

    Explain how the Sun's energy supports life on Earth.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 3 structured question: Stars and the Universe

Paper 3Theory (Core)3 marks

Description

The Sun's Composition and Energy Emission

The Sun is primarily composed of hydrogen and helium. It emits energy in the infrared, visible, and ultraviolet parts of the electromagnetic spectrum.

  1. a

    Describe the main components of the Sun and the types of energy it emits.

    Aim for approximately 3 distinct marking points.

    [3]