we had to create, meanings of 6 words.
Certain
Certain means, basically 100% but a little bit less.
able to be firmly relied on to happen or be the case.
example: he is certain he did his work.
Impossible:
Impossible means, basically no chance.
not able to occur, exist, or be done.
example: she was in an impossible situation.
Even chance
Even chance means, basically fifty-fifty 50% chance, so it's fair and even.
If you toss a coin, there is an equal probability of it being either heads or tales.
Of course, some things have an even chance of happening.
example: he tossed a coin it landed on tails.
Likely:
Likely means, basically it would most likely happen.
such as well might happen or be true; probable.
It's promising.
example: she would either most likely land the back-flip.
Possible:
Possible means, able to be done or achieved.
having as much or as little of a specified quality as can be achieved.
example: he was a possible future customer.
Unlikely:
Unlikely means, not likely to happen, be done, or be true; improbable.
So basically, if there were either two types of glass and I jumped on one it would be unlikely I would jump on the one that could hold my weight.
example: it was unlikely she passed her driving test.