Earths Four Layers Crossword Puzzle

QUESTIONS LIST:

• crust: the outermost layer of earth where we live, very thin compared to other layers
• mantle: the thickest layer of earth, composed of semi-solid rock that moves due to heat
• outercore: a liquid layer beneath the mantle, made of iron and nickel, generating earth's magnetic field
• innercore: the solid, dense center of earth, composed mainly of iron and nickel
• tectonic: plates that make up earth's crust, whose movement affects geological phenomena
• volcano: a mountain that opens downward to a pool of molten rock below the surface of the earth
• magnetic: related to the force that the outer core generates to protect earth
• convection: the movement within the mantle that causes plates to shift
• earthquake: a sudden and violent shaking of the ground, often caused by movement of the earth's plates
• pressure: the force exerted on the inner core by the layers above, keeping it solid despite high temperatures