AboutWalter Hintz Expertise Science teacher for over 50 years. MSc. in biology. I can answer questions in general biology, zoology, botany, anatomy and physiology and biochemistry.
Experience I have a MSc in biology and have been a science teacher for over 50 years. At present I am a faculty member at a college and a science consultant at seven catholic schools.
Publications The Ohio journal of Science
Momentum-The Journal of the Catholic Education Association
Question I am a middle school student looking for some help on water purification.i will ask a few Q's:
1. distillation: does the condensation on a cup come from the inside contents?
2. filtration: i am planning on using pea gravel and sand (both sanitized)is this a good idea?
FYI: to figure how much contaminants are left, i am using test strips i found online
Please reply soon. It is greatly appreciated!
Answer Hi Abby
Water condensation on the outside of a cup has condensed from the air outside but the temperature of the contents effects it.
I cannot comment on your project because I am not exactly sure about your experimental design. What is your hypothesis?
