[Q]: Objective: How do you bring a pot of water on the stove to a full rolling boil?
[A]: Turn the stove on to its hottest setting, then wait until the water is full of large, strong bubbles.

[Q]: Objective: To secure the knot,
[A]: Place a small drop of hot glue on top of the knot and let dry

[Q]: Objective: what is a right angle
[A]: In geometry and trigonometry, a right angle is an angle of exactly 90 (degrees), corresponding to a quarter turn. If a ray is placed so that its endpoint is on a line and the adjacent angles are equal, then they are right angles.

[Q]: Objective: To permanently attach lengths of PVC pipe together
[A]:
You can glue them into place