[Q]: Objective: remove a twist off beer bottle cap
[A]: use your hand to twist the cap to the left and pull off

[Q]: Objective: tub
[A]: can retain water

[Q]: Objective: How can I trace a leaf for a craft project?
[A]: Tape the leaf to a piece of paper and then work around the edges with a pencil.

[Q]: Objective: How to Make a LED Parachute
[A]:
You can make a LED Parachute out of a piece of 20"x20" tissue paper, a piece of string about 48 inches long, a CR2032 Coin battery, and a 10mm LED. Punch one hole in each corner of the tissue paper square.