Huge Styrofoam balls can be purchased at Michaels craft stores either in store or online. Amazon sells huge Styrofoam balls online. Shape Innovation, Inc. sells Styrofoam balls and practically any size desired is available for order. They sell many sizes through Amazon but special orders should be placed directly through calling them to avoid service fees. Their toll free phone number is 800-224-3036.
conductors
paper
mugs,foam cups and plastic cups
Water has a density of about 1.0, knowing this you can tell if an object will sink or float by calculating the objects density.
You're talking about holding the temperature of the water, right? As far as containing the liquid, they're about equal...but a styrofoam or double-wall plastic cup would hold temp better than a glass cup which would work better than a single-wall plastic cup.
Hobby Lobby
It Doesn't. Actually the foam balls themselves has weight and therefore presses down on the vessel.
You can buy 2 to 3 inch hollow plastic balls at www.complexplastics.com/BALLS/balls3of3.htm. Another good website is www.complast.com/balls/
Foam is NOT plastic!
Foam board is :: WHEN U SUCK BALLS
Foam will insulate better than plastic.
Assuming the foam is from furniture stuffing, then the answer is no. Such foam is plastic and is definitely not edible.
Large, plastic or foam letters for children can be purchased in almost any store that sells toys. Toys R Us, Walmart, Target, Kmart, and Amazon all sell these toys.
you break them into or you add them.
re-enforced rubber and a slim layer of some bouncy material American dodgeballs are made of rubber and pumped with air. where I'm from (the UK) we use foam balls with a hard plastic layer on the outside.
Yes
It would depend on what kind of hollow plastic balls you are looking to buy. If you are looking for CLEAR plastic balls, www.tradekey.com may be your best, cheapest solution. Alternatively, cicball.thomasnet.com would be ideal if you are looking for Polypropylene Hollow Balls. Lastly, www.craigballsales.com would be a great alternative. I hope this answers your question, and good luck!! Environmental Controls Company manufactures hollow plastic balls as bird deterrents and algae control. Their website is eccllc.us. I believe this hits the nail on the head, consult this for hollow plastic balls. http://www.cicball.com/