There are several situations in which the ball might be raised, and there are some general statements about what to do in most. Note that this is a long list, but by no means complete or exact. Only experience will help in applying the rules or ideas behind them.
Danger:
From a free hit:
Deliberately raising the ball:
The penalty corner:
The aerial ball/overhead pass:
There are 412 dints in an official hockey ball according to the field hockey rule book.
Field hockey is a whole year sport in most countries; the offseason is usually the summer, when many players play the easier form of summer hockey (rule alterations include not being allowed to raise or hit the ball, playing on a halfsize field, less players, etc.).
Yes
Dribbling the ball
In field hockey, the ball is normally white, dimpled, made of hard plastic and around the size of a fist; most are hollow to achieve the correct weight. In ice hockey, a puck is used instead. It is normally black, smooth and made of hard solid rubber.
100 miles/hr
No. The only specifications required for a legal hockey ball are the weight and size (and sometimes colour).
yes, hockey players do play with a hard ball. It is smooth depending on the brand e.g - kookaburra
by hitting a ball round a pitch with a stick!
Coin toss
you hit the heavy ball in the goal
To play floor hockey, one would need a lightweight plastic ball, or a heavier ball. Sometimes a normal hockey stick, field hockey or bandy sticks are required.