Lesson 4.8.1.1
4.8.1.1 Our solar system Quiz: AQA Physics, Unit 8
20 questions
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Lesson 4.8.1.1, Our solar system: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 8: Space physics (physics only), written with Revision Ninja.
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The 20 questions
-
How many planets does our solar system contain?
- Nine
- Ten
- Seven
- Eight
-
What is the central star of our solar system?
- Polaris
- Betelgeuse
- The Sun
- Proxima Centauri
-
What term describes moons that orbit planets?
- Natural satellites
- Artificial satellites
- Comets
- Dwarf planets
-
Which larger structure contains our solar system?
- The Milky Way
- Triangulum
- Andromeda
- Magellanic Cloud
-
What term describes the cloud of dust and gas from which stars form?
- Nebula
- Galaxy
- Magma
- Corona
-
Which force pulls the dust and gas of a nebula together to form a star?
- Frictional force
- Magnetic force
- Electrostatic force
- Gravitational force
-
Which category of solar system body orbits the Sun but is not classed as one of the eight main planets?
- Natural satellite
- Dwarf planet
- Comet
- Meteoroid
-
Which body in the solar system contains the most mass?
- The Sun
- The Earth
- Jupiter
- The Moon
-
Which force provides the centripetal force needed for Earth's circular orbit around the Sun?
- Tension
- Gravity
- Magnetism
- Air resistance
-
What force primarily keeps a natural satellite in orbit around a planet?
- Planet gravity
- Atmospheric drag
- Solar wind
- Centrifugal force
-
Which of these is NOT found within our solar system?
- Another star
- Planet
- Natural satellite
- Dwarf planet
-
What process begins in the core when a protostar's dust and gas are compressed?
- Combustion
- Nuclear fusion
- Radioactive decay
- Nuclear fission
-
Which two celestial bodies both orbit directly around the Sun?
- Stars and comets
- Planets and moons
- Planets and dwarf planets
- Moons and asteroids
-
How does the mass of the Sun compare to all planets combined?
- Roughly equal
- One tenth as large
- Exceeded by Jupiter
- Several hundred times greater
-
What two factors determine the gravitational force between the Sun and a planet?
- Temperature and distance
- Speed and mass
- Density and volume
- Masses and distance
-
What prevents planets from falling directly into the Sun?
- Centrifugal force
- Magnetic repulsion
- Sideways velocity
- Solar wind pressure
-
What do natural satellites orbit instead of orbiting the Sun directly?
- A comet
- A planet
- A dwarf planet
- A star
-
Approximately how many Earth masses equal the mass of the Sun, given Sun 2 x 10^30 kg and Earth 6 x 10^24 kg?
- About 3.3 billion
- About 33 million
- About 330,000
- About 3,300
-
Approximately how long does Earth take to orbit the Sun once?
- About 27 years
- About 12 hours
- About 30 days
- About 365 days
-
Which of these bodies is a dwarf planet?
- Neptune
- Pluto
- Titan
- Mars
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