This happens because the heating wires heat up the air around them. This air is less denser than the surrounding, and so it rises up through the top of the heater. If the paper decorations are above the heater, they will definitely flutter because the air is coming through the top.
were are waves happen at
It can happen if the reactor fuel rods overheat, and that can happen if they are not adequately cooled after the reactor is shutdown
velocity can happen
energy doesn't happen, it exists. for energy to happen, energy would have to be an action (verb), but it is a thing (noun).
nothing will happen %100
fire and die
The propane will leak out
Many would die.
You would get healthier.
the compass's needle will point at the electromagnet
things would go wond
Yes, it is
it depends if you want them to get hurt or not.
The warmed water next to the heater becomes hotter when the heater is switched on.
There is the danger of accumulated fumes catching fire if there is a spark when an electrical device is switched on.
Expectation is like a flutter of anticipation in your chest, a heightened awareness of possibility. It is the hopeful tension of waiting for something wonderful to happen, tinged with excitement and eagerness for what is to come.
This actually happened not long ago in a semi-pro game. The pitcher switched hands, so the batter switched sides of the plate. Then the pitcher switched back, as did the batter. This literally went on for a minute or so, before the umpire finally stepped in and made them play ball. It was humorous to watch.