The diagram shows changes of state between solid, liquid, and gas. the atoms of a substance gain energy during a change of state. before the change, the atoms are close together and cannot slide past one another. after the change, the substance can fill its container. which arrow represents the change of state described above? l m n o

The slope of a velocity time graph over any interval of time gives the during that interval

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings