PH lab

Today in lab we tested the pH level of the following 13 solutions:

Distilled water
Buffer solution
Vinegar
Ammonia
Lemon juice
Detergent
Roll aides
Coffee
Diet coke
Coke
Bleach
Baking soda
Lemon low concentration

We used a pH scale and the paper scale to find the pH of the solutions. Then we averaged the pH levels and decided wether it was a acid, base, or neutral.

pH scale

This lab was over pH scales and the first experiment we did was the tap water and the bromothymol blue. The tap water had a pH of 9. We added 10 drops of bromothymol blue to the water and blew into a straw adding 1000x more hydrogen making the solution turn a yellow color making carbonic acid.

Atom structures

In class on Monday September 17th we made atom structures. Each color stood for some type of atom.

Rat Dissection

Dissected a rat in class today! Ours was a male rat. We looked at all of the organs like the stomach, small and large intestine, liver, the heart .. Etc.

The picture that looks like a mouth piece is actually the rats diaphragm.

The other pictures are either of the rats outsides or it's organs.