Basics
What is accuracy?
How close you are to the correct value.
What is the first macromolecule used for energy?
Carbohydrates
What is an atom?
The smallest part of an element that still has the properties of that element
A broad concept or principle.
A Law
The attraction between molecules of the same substance
Cohesion
What is precision?
How close your measurements are to each other.
What macromolecule helps build muscle?
Protein
What molecule is made of 2 atoms of hydrogen covalently bonded to 1 atom of oxygen
Water
An explanation of an observed phenomenon
Theory
The temperature of water does not change easily.
High Specific Heat
What type of equipment is useful for getting a precise measurement?
A.) Beaker
B.) Graduated cylinder
C.) Flask
B.) Graduated cylinder
What macromolecule makeup fats?
Lipids
What type of molecule has an unequal distribution of charges?
Polar molecules
Description of something you can see, smell, touch, taste, hear
Observation
Solid water (ice) is less dense than liquid water 🡪 it floats in liquid water
Less dense as a solid
What is a qualitative observation?
An observation about the quality of something.
What macromolecule is not used for energy?
Nucleic Acids
Which property of water has the type of attraction that happens between two different molecules
Adhesion
What changes in response to the independent variable
Dependent Variable
Forms stronger bonds than cohesion
Adhesion
What is a quantitative observation?
A numerical observation
What are macromolecules made of?
Monomers
Does not have an affinity for water
Hydrophobic
What the experimenter will deliberately change or manipulate in the investigation
Independent Variable
Water's polarity makes it really good at dissolving things
Terrific solvent