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Analyze and interpret data regarding planets, focusing on their orbital distance, duration, density, surface temperature, and uniform gravitational field strength at the surface.

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Cambridge IGCSE PhysicsSpace physicsSupplement content

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Quick explanation

Analyze and interpret data regarding planets, focusing on their orbital distance, duration, density, surface temperature, and uniform gravitational field strength at the surface

  • This point belongs to The Solar System, especially The Solar System outcomes.
  • You need to be able to analyze and interpret data regarding planets, focusing on their orbital distance, duration, density, surface temperature, and uniform gravitational field strength at the surface.
  • The key ideas to know are Investigate, Describe, and Compare.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

InvestigateDescribeCompare

Why it matters

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

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Paper 4 structured question: The Solar System

Paper 4Theory (Extended)1 marks

Data Table

Planetary Data

The table below shows data for different planets regarding their orbital distance, duration of orbit, density, surface temperature, and gravitational field strength.

PlanetOrbital Distance (AU)Duration of Orbit (Earth years)Density (kg/m³)Surface Temperature (°C)Gravitational Field Strength (N/kg)
Mercury0.390.2454271673.7
Venus0.720.61552434648.87
Earth1.001.005514159.81
Mars1.521.883933-633.71
  1. a

    State the gravitational field strength of Earth.

    Aim for approximately 1 distinct marking point.

    [1]
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