Having people from the field is an important motivator.

While the highest purpose of a chemistry lab is not about pouring chemicals, the act of handling and pouring chemicals can be a critically important skill, depending on the nature of the chemicals.  In elementary school mixing vinegar and baking soda would not really matter, as there can be little harm. And while there are some careers in chemistry where you never touch chemicals, a lab does have safe handling of the chemicals as a skill... how to use a pipette, how to pour without splashing, etc.

There is a lot of pretending going on.

First, I will note that I use a lot of color in my CAD designs. But because I am aware of the common disabilities with color vision, I am careful to choose colors that are more easily distinguished.  I also try to choose colors that will print in b/w with different shades of grey, and often also use line types (different kinds of dashes). Those may help some, but someone who is color blind will likely not be able to discern all the things in my drawings. But, I won’t reduce the… >>>

The U.S. Constitution's 10th Amendment is pretty clear on the limits of federal power. It is also quite clear that the U.S. Department of Education is illegal.

  Amendment X
  The powers not delegated to the United States by the Constitution, nor prohibited by it to the
  states, are reserved to the states respectively, or to the people.

And since the powers listed for the federal government doesn't grant the federal government any authority over education, The Dept. of Education is clearly unconstitutional. Such powers then fall to each individual state, if their own constitutions permit it.

I ran across a discrepancy in the text, vs. the quiz.  In  EL102 Quiz 2, Question #5 says send welcome note to student within 1 week- but text says to do it the 1st day

I realized some of the inherent weaknesses of a 100% online program.

I realized how much is lost when a class is 100% online.

You can act professionally, by acting professionally.