1) What causes breathing difficulties after a volcanic eruption ? a) Magma b) Smoke and ash 2) Magma is also known as after it leaves the vent of the volcano a) Lava b) core 3) The Particles move in an object , the more heat there is a) Faster b) slower 4) In which examples is the energy transferred to the surrounding environment as sound a) Pressing a doorbell b) turning on a lamp 5) A seismograph measures   by a movement or shaking of the ground. a) waves b) sound 6) Which earth's layer has the highest temperature ? a) inner core b) Crust c) Mantle 7) The only Energy we can see is ?  a) Heat  b) Move  c) Light  d) Sound  8) We can find iron and nickel in which layer ?  a) Crust  b) Outer core  c) Inner core  d) Mantle  9) The tectonic plates move in different ways, causing :  a) earthquake  b) volcano  10) Describe the movement of the tectonic plates ?  a) Suddenly  b) violently  c) Slowly  d) a and b

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