https://padlet.com/3045021/sr4wqoxkyi6i en-us 2017-10-16 16:34:09 UTC 2025-11-15 09:05:21 UTC hello@padlet.com 3045021 https://padlet.com/3045021/sr4wqoxkyi6i/wish/197449545 the strength and vitality required for sustained physical or mental activity]]> 2017-10-16 16:34:57 UTC https://padlet.com/3045021/sr4wqoxkyi6i/wish/197449545 3045021 https://padlet.com/3045021/sr4wqoxkyi6i/wish/197451522 energy that a body possesses by virtue of being in motion]]> 2017-10-16 16:38:29 UTC https://padlet.com/3045021/sr4wqoxkyi6i/wish/197451522 3045021 https://padlet.com/3045021/sr4wqoxkyi6i/wish/197452342 the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.]]> 2017-10-16 16:39:52 UTC https://padlet.com/3045021/sr4wqoxkyi6i/wish/197452342 3045021 https://padlet.com/3045021/sr4wqoxkyi6i/wish/197453091 Vaporization (or vapourisation) of an element or compound is a phase transition from the liquid phase to vapor.]]> 2017-10-16 16:41:14 UTC https://padlet.com/3045021/sr4wqoxkyi6i/wish/197453091 3045021 https://padlet.com/3045021/sr4wqoxkyi6i/wish/197453885 Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.]]> 2017-10-16 16:42:38 UTC https://padlet.com/3045021/sr4wqoxkyi6i/wish/197453885 3045021 https://padlet.com/3045021/sr4wqoxkyi6i/wish/197454727 These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.]]> 2017-10-16 16:43:56 UTC https://padlet.com/3045021/sr4wqoxkyi6i/wish/197454727 3045021 https://padlet.com/3045021/sr4wqoxkyi6i/wish/197455408 In physics, the law of conservation of energy states that the total energy of an isolated system in a given frame of reference remains constant — it is said to be conserved over time.]]> 2017-10-16 16:45:09 UTC https://padlet.com/3045021/sr4wqoxkyi6i/wish/197455408