Matching Pairs Quiz about volcanoesOnline version Learn the parts of a volcano by Alejandro Merino 1 Crater 2 Hardened lava (picture) 3 Main vent 4 Magma chamber (picture) 5 Earth's mantle (picture) 6 Crater (picture) 7 Cone 8 Crust (picture) 9 Cone (picture) 10 Ash, steam and gas. (picture) 11 Lava (picture) 12 Magmatchamber 13 Earth's mantle 14 Hardened lava 15 Crust 16 Ash, steam and gas 17 Lava 18 Main vent (picture) Layer of silicate rock between the crust and the outer core Cloud wich is pushed out of the volcano. Circular depresion at the top of the volcano Molten rocks after it reaches the surface Thin shell on the outside of Earth, Main tube that conects the magma chamber with the surface Triangle-shaped hill formed as material from volcanic eruptions. Store of underground magma also known as igneous rock, is formed when volcanic lava or magma cools and solidifies.