Matter and Change: An Introduction to Physical and Chemical Science

acid action amount angle atoms body calculated called carbon charge chemical chlorine coil combination compound constant containing copper curve definite depend described direction distance earth effect electric elements energy equal equation equilibrium exist experiment explained fact fall fixed force gases given gives glass glucose gram hand heat Hence hydrogen importance increase indicated ions iron known less light lines liquid magnetic mass matter means measured mercury metals molecules motion moving nature needed observed obtained oscillations oxide oxygen particles pass period phases physical placed plate position potential pressure produced properties proportional quantity radiation rays reaction relation represented resistance result salt scale seen shown shows solid solution sound space spectrum stars substance surface temperature theory travels tube unit vapour velocity vibration volume wave wave length weight wire