1) Which is the largest? a) Galaxy b) Solar system 2) Our galaxy is called: a) Orion b) Milky Way 3) The Sun is a a) Planet b) Star 4) A group of stars forming a pattern in the sky is called a: a) Constellation b) Nebula 5) The Earth’s rotation causes: a) Day and night b) seasons 6) The Earth’s revolution around the Sun causes: a) Seasons b) Tides 7) Which line divides Earth into Northern and Southern Hemispheres? a) Equator b) Axis 8) What force keeps planets in orbit around the Sun? a) Magnetism b) Gravity 9) What is the path of a planet around the Sun called? a) Axis b) Orbit 10) Which star is at the centre of our solar system? a) The Sun b) Alpha Centauri 11) What causes the Moon to shine in the night sky? a) Its own light b) Reflection of sunlight 12) A star that explodes at the end of its life is called: a) Supernova b) Meteor 13) Which planet is known as the “Red Planet”? a) Venus b) Mars 14) A black hole is best described as: a) A collapsed star with strong gravity b) A giant rock in space 15) The imaginary line around which Earth spins is called: a) Equator b) Axis 16) The Earth spinning once in 24 hours. a) Rotation b) Revolution 17) The Earth moving around the Sun once a year. a) Revolution b) Rotation 18) Which constellation is commonly known as “The Hunter”? a) Orion b) Leo 19) What is the main gas that makes up the Sun? a) Nitrogen b) Hydrogen 20) Earth’s only natural satellite. a) Moon b) Sun

Earth and Space

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