Archimedes is credited with completing the first calculation of what?

Awalk up the phase change graph worksheet

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.