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7 marks Long answer
How do the orbits of planets differ in the solar system?
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Planetary orbits vary in shape, distance from the Sun, and speed, with inner planets having shorter, faster orbits than outer planets.
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6 marks Long answer
Discuss the formation of the solar system.
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The solar system formed from a rotating disk of gas and dust, leading to the creation of the Sun and planets.
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5 marks Long answer
Explain the significance of the Kuiper Belt and Oort Cloud.
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The Kuiper Belt contains icy bodies and dwarf planets, while the Oort Cloud is a theoretical shell of icy objects surrounding the solar system.
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5 marks Long answer
What are the main features of Saturn's rings?
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Saturn's rings are composed of ice and rock particles, varying in size and density, and are one of its most distinctive features.
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4 marks Medium answer
Describe the orbit of a planet.
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A planet's orbit is the path it takes around the Sun, influenced by gravitational forces.
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4 marks Medium answer
List the characteristics of terrestrial planets.
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Terrestrial planets are rocky, have solid surfaces, and are closer to the Sun.
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3 marks Medium answer
Explain the difference between asteroids and comets.
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Asteroids are rocky bodies, while comets are icy bodies that release gas and dust.
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3 marks Medium answer
What is a dwarf planet? Give an example.
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A dwarf planet is a celestial body that orbits the Sun and is not a planet; an example is Pluto.
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3 marks Medium answer
What role does gravity play in the solar system?
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Gravity keeps celestial bodies in orbit around the Sun and governs their interactions.
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1 marks Short answer
Define the solar system.
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The solar system is the Sun and all celestial bodies bound to it by gravity.
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1 marks Short answer
Name the eight planets in the solar system.
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Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
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1 marks Short answer
What are the four inner planets?
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Mercury, Venus, Earth, Mars.
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1 marks Short answer
What are gas giants?
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Gas giants are large planets with thick atmospheres, including Jupiter, Saturn, Uranus, and Neptune.
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