The Earth's Surface Crossword Puzzle

QUESTIONS LIST:

• crust : the outer layer of the earth (5)
• magma : what the molten rock in the mantle is called (5)
• volcano : a mountain formed by the eruption of lava, ash, and rock
• earthquake : a sudden tremor or vibration in the earth's crust (10)
• constructive : when plates move away from each other (12)
• core : the center of the earth, made up of iron and nickel (4)
• avalanche : a sudden movement of snow down a mountain (9)
• extinct : a type of volcano that will not erupt again (7)
• subduction : the process of the heavier plate being pushed below the lighter plate (10) .
• epicentre : the point on the earth's surface directly above an earthquake's focus (9) -
• mantle : the layer of hot, soft rock beneath the earth's crust (6)
• fold : type of mountains formed when two plates collide (4)
• passive : a type of boundary where plates slide past each other (8)