If you had trouble keeping the syrup layer and the water layer separate, don’t worry. This will happen sometimes. The reason has to do with the process of dissolving. The syrup or molasses that you used must have been very soluble in water. Either that, or you must have mixed the solution very vigorously. In any case, ...
**Objective or Purpose:** To explain observations using the concept of atoms **Hypothesis:** When vegetable oil, water and syrup are poured into the glass, the oil will be on top, the water in the middle and the syrup on the bottom. The rock will sink to the bottom, the grape will float on the syrup, the ice cube ...
We highly recommend that you purchase the companion Student Notebook for the course. You can find it [here.][1] This notebook is designed to help the student stay organized while developing strong independent study skills. The Student Notebook contains: * Suggested daily schedule * Personal pages for taking notes...
The rubbing alcohol pulls the DNA away from all of the other junk. Before you put the alcohol in, the DNA is mixed in with the pulverized onion, water, meat tenderizer, soap, etc. To make it easier to see those thin white wisps of DNA, you need to separate it from all of the other junk. DNA is more attracted to alcohol...
It does seem contradictory or incorrect, but the solution color can vary. It goes from bluish/dark purple to light purple/pink. It should be a very clear change. Exact hue and saturation depends on the indicator you made and how many cabbage leaves were used. ...
Anacharis has the common name of Elodea. If your local pet shop or aquarium store do not have Anacharis plants, ask for Elodea plants. If you can’t find that, just find the thinnest leaf you can. Your goal is to have a leaf thin enough for light to pass through it. ...
Click [here][1] to watch a video that explains the activity in-depth. [1]: https://www.youtube.com/watch?v=RtCrEr3pISM ...
Look for a 60 Watt equivalent CFL. This will be around 13-15 watts of energy. You can find an example of this bulb[ **here.**][1] These used to be called fluorescent spiral lights, but the spiral shape has been standardized over the years and is now just called CFL, which stands for Compact Fluorescent Light. [...
Here is a sample calculation: **Data:** Mass of 50.0 mL vinegar: 51.0 g Number of mL of vinegar to reach endpoint: 23.0 mL **Calculations:** Density of vinegar: 51.0 g/ 50.0 mL = 1.02 g/mL Number of grams of vinegar added: (1.02 g/mL) x (23.0 mL) = 23.5 g Mass of C2H4O2 added: (23.5 g) x (0.0500) = 1.18...
There are several ways to write a lab report, and depending on your class or your instructor, the requirements will vary. But this guide, created by Sherri Seligson, author of Apologia’s[_‚ Exploring Creation with Marine Biology_][1]‚ and _Internship for High School Credit_, has been developed to help you understand th...