1) Compare the two beakers that contain water. Which of these statements is NOT true if the beaker on the left represents an open
system
A)
Evaporation can occur.
B) All the energy remains in the system.
Water molecules leave the system,
D)
The net movement of molecules is out of the water.

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.

All motion is caused by force? true or false

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease