[Q]: Objective: To open microwave popcorn.
[A]: Pull opposite corners away from each other to open the bag.

[Q]: Objective: milk jug
[A]: can hold sand easily

[Q]: Objective: To tell a real diamond from a fake.
[A]: Try using fog - try to fog it up with your mouth like a mirror. Glass will stay fogged much longer than diamond.

[Q]: Objective: To make an easy Father's day gift,
[A]:
cover a tee shirt with paint hand prints from each of the kids.