Science Chapter 5

Front 1

seismic waves

Back 1

vibrations that travel through earth carrying the energy released during an earthquake

Front 2

pressure

Back 2

the force exerted on a surface divided by the total area over which the force is exerted

Front 3

crust

Back 3

the layer of rock that forms the Earth's outer surface

Front 4

bosalt

Back 4

a dark, dense, igneous rock with a fine texture found in oceanic crust

Front 5

granite

Back 5

a usually light-colored igneous rock that is found in continental crust

Front 6

mantle

Back 6

the layer of hot, solid material between Earth's crust and core

Front 7

lithosphere

Back 7

a rigid layer made up of the mantle and the crust

Front 8

asthenosphere

Back 8

the sort layer of the mantle on which the lithosphere floats

Front 9

outer core

Back 9

a layer of molten iron and nickel that surrounds the inner core

Front 10

inner core

Back 10

a dense sphere of solid and nickel at the center of the Earth

Front 11

radiation

Back 11

the direct transfer of energy through space by electromagnetic wave

Front 12

conduction

Back 12

the direct transfer of thermal energy from one substance to another substance that it is touching

Front 13

convection

Back 13

the transfer of thermal energy by the movement of a fluid

Front 14

density

Back 14

the amount of mass of a substance in a given volume; mas per unit volume

Front 15

convection current

Back 15

the movement of a fluid, caused by differences in temperature,that transfers heat from one of the fluid to another