1) What is gravity? a) Magnetic Field b) Light emission c) Sound wave d) Force of Attraction 2) Which two factors influence gravity? a) Mass b) Distance c) Temperature d) Volume 3) Which planet has the strongest gravity? a) Mercury b) Mars c) Venus d) Jupiter 4) What is the Kuiper Belt? a) Region of icy bodies b) Gas giant c) Star cluster d) Black hole 5) Where is the Oort Cloud located? a) Near the Sun b) Outer edge of the solar system c) Between Mars and Jupiter d) Inside Earth's orbit 6) What is the main component of the Sun? a) Carbon b) Oxygen c) Hydrogen d) Iron 7) What keeps planets in orbit? a) Friction & Inertia b) Inertia and Friction c) Magnetism & Gravity d) Gravity & Inertia 8) What is a comet mainly made of? a) Ice and dust b) Metal c) Gas d) Rock 9) Which planet is closest to the Sun? a) Mercury b) Venus c) Earth d) Mars 10) What is Earth's natural satellite? a) Jupiter b) Moon c) Mars d) Venus 11) Where is the Kuiper Belt located? a) Beyond Neptune b) Near Mars c) Inside Jupiter d) Near the Sun 12) What is the shape of the Oort Cloud? a) Square b) Spherical c) Cylindrical d) Rectangular 13) Which region is closer to Earth? a) Kuiper Belt b) Oort Cloud c) Andromeda d) Milky Way 14) Which region contains dwarf planets like Pluto? a) Asteroid Belt b) Oort Cloud c) Kuiper Belt d) Inner Solar System 15) Which model has greater gravitational attraction (if any)? a) Model A b) Model B c) Both Model A and B 16) As mass increases, what happens to gravitational force? a) Increases b) Decreases 17) As distance between two objects increases, the pull of gravity.... a) has no effect b) stays the same c) Increases d) Decreases 18) The gravitational attraction between two objects would increase if both masses are – a) increased, and the distance between them is increased. b) increased, and the distance between them is decreased. c) decreased, and the distance between them is decreased. d) decreased, and the distance between them is increased. 19) What two places can comets originate from? a) Oort Cloud b) Asteroid Belt c) Kuiper Belt d) Inner Planets 20) What is a meteorite? a) found in space b) Meteor that hits Earth's surface c) Found in Earth's atmosphere d) Star remnant 21) What is a shooting star? a) Meteor b) Planet c) Star d) Galaxy 22) Where are meteoroids found? a) In space b) On Earth c) In oceans d) In atmosphere 23) What is the main component of meteoroids? a) Ice b) Rock c) Gas d) Water 24) What happens to most meteoroids? a) Burn in atmosphere b) Land on Earth c) Orbit planets d) Form comets 25) What is a meteor's glow caused by? a) Friction b) Radiation c) Gravity d) Magnetism

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