[Q]: Objective: Fix cracks in floor.
[A]: Melt same colored crayon and fill in cracks.

[Q]: Objective: To easily roast an onion,
[A]: place the onion in the oven with the skin on and bake it,

[Q]: Objective: Increase drainage of garden pots.
[A]: Add compost to soil to attract earthworms which creates air holes in soil.

[Q]: Objective: To cut through pieces of styrofoam
[A]:
The easiest way to cut through styrofoam is use a drimmel tool.