[Q]: Objective: How to clean a chemically contaminated Erlenmeyer flask
[A]: Use a bottle of de-ionized water to remove all chemical contaminants from the flask.

[Q]: Objective: To search for items in YouTube.
[A]: On your browser, go to You Tube and type there the item you seek then click enter.

[Q]: Objective: To make a rubber band ball,
[A]: use a bunch of rubber bands and wrap them around each other.

[Q]: Objective: How to pop popcorn in a microwave?
[A]:
Place the kernel corn in a brown paper bag and microwave on high with the top closed for about 4 to 5 minutes