1) What causes the seasons on Earth? a) The distance from the Sun b) The Earth's rotation speed c) The tilt of the Earth's axis d) The Earth's magnetic field 2) How many seasons are there in a year? a) Two b) Three c) Four d) Five 3) How long does it take for the Earth to orbit the Sun once? a) One month b) One week c) One year d) One day 4) What happens when a place on Earth faces away from the Sun? a) It becomes day time b) It becomes noon c) It becomes night time d) It becomes morning 5) When a place on Earth faces the Sun, what time of day is it? a) Night time b) Day time c) Noon d) Midnight 6) What is the imaginary line called that the Earth rotates around? a) Equator b) Axis c) Meridian d) Tropic 7) A star called Sirius is 8.6 light years away from Earth. How long does it take light to reach Earth from Sirius? a) 8.6 seconds b) 8.6 hours c) 8.6 minutes d) 8.6 years 8) True or false? A star orbits around a planet. a) True b) Sometimes true c) False d) Not sure 9) What is the name of the galaxy that contains the Earth and the Sun? a) Andromeda b) Milky Way c) Proxima Centauri d) Orion 10) Which term describes the Earth's spinning on its axis? a) Atmosphere b) Tilted c) Rotation d) Concentrated 11) Which of the following gives out light? a) Planets b) Moons c) Stars d) Asteroids 12) An object has a weight of 15 N, what is its mass? a) 1.5 kg b) 15 kg c) 0.15 kg d) 150 kg 13) What factors affect the gravitational attraction between two objects? a) Mass and distance b) Color and shape c) Temperature and pressure d) Speed and direction 14) What is the gravitational field strength on Earth? a) 9.8 N/kg b) 10 N/kg c) 3.7 N/kg d) 5 N/kg 15) What is the formula to calculate weight? a) weight = mass + gravitational field strength b) weight = mass × gravitational field strength c) weight = mass ÷ gravitational field strength d) weight = mass - gravitational field strength

Earth in Space

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