Science 4.1

Question 1

crust

Answer 1

the thin and solid outermost layer of the earth above the mantle

Question 2

mantle

Answer 2

the layer of rock between the earths crust and core

Question 3

core

Answer 3

the cenral part of the earth below the mantle

Question 4

lithosphere

Answer 4

the solid outer layer of the earth that consists of the crust and the rigid upper part of the mantle

Question 5

Compound

Answer 5

a substance made up of atomos of two or more diffrent elements joined by chemical bonds

Question 6

seismic waves

Answer 6

a wave of energy that travels through the earth and away from an earth quake in all direction

Question 7

seismographs

Answer 7

an instrument that records vibrations from the ground