How many variables should you change at one time? Why?
What is the purpose of a control?
Name 4 components of a lab report
Draw/describe how you would test the affect of water temperature on water droplet cohesion of a coin.
Provide an example of an observation vs. an inference
Name the CHNOPS and say why they are important.
This is maybe the most important element and is considered "the backbone of life" because it can bond to itself
Smallest part of an element that still has properties of that element
A bond is formed when two elements share a pair of these
If an element has 5 protons and 8 electrons, what is its overall charge?
Name the bond that occurs between molecules of water
The uneven distribution of charges on the water molecule make it ___________.
Attractive forces that occur between the SAME substance
Attractive forces that occur between two DIFFERENT substances
Because water dissolves more substances than any other liquid, it is known as the ____________.
Name the four biomolecules
Name the biomolecule associated with each word: 1) sugar, 2) oil, 3) DNA, 4) enzyme
Cell membranes have hydrophobic and hydrophilic parts to them. These structures belong to which class of biomolecules?
Which bases pair up in a DNA molecule?
Pick 3 biomolecules and describe their function
The latin word for sugar
Describe the function of enzymes
What are the 3 naming tricks for remembering carbs, enzymes, and alochols?
Name the 3 parts that make up a nucleotide
Pick 3 biomolecules and list their building blocks (monomers)
One. So you know which factor affected your data.
To have a baseline of information to compare new data to
Hypothesis, Materials, Procedure, Data, Analysis, Conclusion
cold water, room temp water, hot water, all on a penny
answers vary
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur; elements of life
Carbon
Atom
electrons
-3
Hydrogen bond
Polar
Cohesion
Adhesion
Universal Solvent
Carbs, Lipids, Proteins, Nucleic Acids
1) carb, 2) lipid, 3) nucleic acid, 4) protein
Lipids
A-T, C-G
Answers will vary
Saccharide
Speed up the rate of chemical reactions
OSE = sugar, ASE = enzymes, OL = alcohol
phosphate group, sugar, base
Answers will vary
