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The solar systemIB MYP Physics: Mind map

Planets
Other objects
Orbital period

The solar system

Sun, planets and satellites

Sun8 planetsSatellites
Satellites
Uses and orbits
Exploration

Exam questions on The solar system

  1. A museum in Cape Town is building a model of the solar system for visitors. The model includes the Sun, the eight planets, the dwarf planet Pluto, several moons and asteroids, and Halley's comet.
    State two differences between rocky planets and gas giants.2 marks
  2. An astronomer compares the time that planets take to orbit the Sun. Earth takes 1 year, Mars takes about 1.9 years, Jupiter takes about 11.9 years and Neptune takes about 165 years.
    Explain why Neptune takes much longer than Mars to orbit the Sun.2 marks
  3. A telecommunications company in Nigeria plans to launch a satellite to broadcast television signals to the whole country. A weather agency already operates a different satellite that orbits about 800 km above the Earth and completes about 14 orbits every day.
    Describe the orbit of a geostationary satellite.3 marks
See the full worksheet

Written by the Exaim team, led by Shaun Daswani (Head of Upper Secondary, Improve ME Institute; MSc Financial Mathematics, Imperial College London; BSc, UCL) and Jason Daswani (operational lead, Improve ME Institute; LSE).