Ferrofluid questionaire

Ferrofluids

Ray Pioppo and Amanda Berger

1. Do you know what a ferrofluid is?
   Yes No
   
   
2. What ingredient do you think is used in ferrofluid?
   Kerosene        Acetone       Sulfuric Acid

3. How long do you think you boil ingredients in order to make a ferrofluid?
   Under an hour     1-2 hours      4-6 hours

4. Pick one use of ferrofluids.
   Identifies cancer      Inside footballs      Seals a jumprope

5. When are there more spikes in the ferrofluid?
   When a magnet is closer       When a magnet is further