It does not receive the experimental treatment (Independent Variable).
The attraction between molecules of different substances. (Ex. water on a window)
7
Carbon is able to bond to many other atoms to form large complex molecules such as; the 4 organic compounds.
Nucleic Acid
Proteins
Lipids and Carbohyrates
Lipids, Proteins, Carbohydrates, Nucleic Acids
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Re-test, repeat the experiment several times
The variable being tested.
Starch
Stop using and report it to the teacher immediately.
Cohesion and Adhesion
Cohesion
d.) 1.6
Amino Acids
Simple sugars
Goggles
Polarity
Dependent Variable
Surface tension, due to a thin layer of water molecules bound through hydrogen bonds at the surface.
What is adhesion?
What are biological catalysts or enzymes made up of?
Which two organic compounds are the primary source of energy for cellular functions?
Which pH value indicates the most acidic condition? a.) 12.5 b.) 2.1 c.) 7.3 d.) 1.6
How does the CONTROL GROUP setup in an experiment differ from the other setups in the same experiment?
What allows lightweight insects to walk on water?
What is an independent variable?
What property of water is represented by water molecules sticking together?
Which two properties of water allow water to be transported up to the top of a redwood tree?
What should you do after you form a conclusion to increase the validity of the experiment?
Which variable is measured and observed?
Which property of water allows it to dissolve a wide variety of substances throughout the human body?
Why is carbon so important to living things?
What are the end products of the hydrolysis (breakdown) of a polysaccaride?
What should you do if you notice the beaker or test tube you are using during a lab is cracked?
What are the 4 macromolecules?
DNA and RNA are examples of which macromolecule?
What is the first step of the scientific method?
Which substance is iodine solution used to test for?
In order to protect your eyes you should wear these during labs?
In what class of organic molecules would hemoglobin, insulin, and enzymes (pepsin), all of which are composed of chains of amino acids, be placed into?
What is the pH of a neutral solution?