the objects are a globe of the world, a crystal souvenir, a schoolbag, a scrunched up piece of paper and many many more that you will find when your up to that stage of shrink ray island.
You run behind things to get to the shelf behind the globe the globe will fall on the floor push it towards the CHAIR jump on the globe to the chair jump on the seat part of the chair go onto the desk behind the apple keep running to the right then at the end of the desk there will be a mirror go behind it and Mr. Silva will try to shrink you the mirror will reflect and it will shrink Mr. Silva will fall into the ant tube he will be CJ's science project. GAME OVER!
When it tries to bite you, jump, and land on its head.
you take the football.
You just keep trying. This is a game of chance. It may take you 3 tries, or 30 tries.
I don't know To get unlimited tries to look for Nessie on the viewfinder, open new tabs and open poptropica and go to the viewfinder and look for Nessie. Keep doing this so you will get unlimited tries per day.
Astronomy
it is in any common room,it could take many tries to find it.
gravity
3 times out of 5 tries
you wait there until the thief (black widow.) comes in and tries to steel the scream.
To get the bat's key, get on higher ground then jump on top of it. Since it tries to escape into the air it meets you head on and you get the key.
they never tell you... i guess so since he tries all day long