Questioning is a highly effective strategy that has the potential to successfully engage students. Questioning a particular student about an aspect of a lesson prompts the attention of that student as well as most of the students in close proximity.
Food scientist Vickie Kloeris makes meals for astronauts. Vickie Kloeris' job is to feed those astronauts. As one of NASA's top food scientists, she manages the agency's food laboratory as well as the ISS's food system, making sure everyone onboard has plenty to eat and a varying menu.
The astronaut food and diet was a problem from the very outset. There was no previous experience; nobody knew whether the astronaut could eat solid food or liquids in weightlessness or what it would taste like. During early space flights the diet consisted of a small selection of liquids and pastes. The taste of this food left much to be desired.