You grab a hot cookie sheet out of the oven this is an example of energy transfer.

A. Radiation-transfer of energy (heat) through space by electromagnetic rays.

B. Conduction-The transfer of heat through the matter by molecular energy (touch)

C. Convection-The transfer of heat by the movement of mass or substance (motion)

Which of the following is an example of units for speed

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.