How was matter and energy conserved in each demonstration?
what phase changes did you observe?
what kind/s of energy transfers did you notice in each scenario?
identify an example of matter and energy conservation in the world around you.
conclusion: how did your observations support or contradict your predictions? describe an experiment that could further explore physical or chemical change.

flvs

the first phase of the government’s plan for settlement was building the transcontinental railroad. the railroad provided a way to bring settlers and manufactured goods west and ship their agricultural and mining produce east. the transcontinental railroad was an essential artery for rapid development of the frontier.

the second phase of the government’s plan was a liberal land distribution policy that made it possible for many people to homestead. with these two key elements—transportation and cheap land—the government rapidly achieved its goal of persuading people to move west, settle on farms, and push back the frontier.