1) What are volcanoes? a) Cracks in the Earth's crust where magma forces its way to the surface where magma come out b) Flat land c) Exploding mountains 2) What is magma? a) Melted rock inside a volcano b) Hard rocks c) A rock band 3) What does magma, or lava form as it cools and hardens? a) Ash b) Mountains known as volcanoes c) Amusement parks 4) What is Lava? a) Rock fragments b) Hot melted rock outside a volcano c) A rock band 5) Most volcanoes occur at : a) Diverging plate boundaries b) Converging plate boundaries c) Transforming plate boundaries 6) Volcanoes that form in the middle of a plate away from plate boundaries are called:rth’s surface. a) Hot holes b) Vipers c) Hot spots 7) The gas found in magma is called: a) Silica b) Steam c) Toxin 8) Most of the earth's volcanoes are in the Pacific Ocean. a) True b) False 9) The rim of volcanoes in the Pacific Ocean are known as: a) Volcano Ridge b) Hot Zone c) The Ring of Fire

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