Nature of Science Part I
Science
Give me an example of qualitative data?
Colory, Odor, Texture, Size, ect
What does hydrophilic mean?
Water loving
List 2 of the characteristics of life
answers will vary
List the four macromolecules
Carbs
Lipids
Nucleic Acids
Proteins
What is an observation?
Anything you can see, touch, taste, smell, or hear
What is an inference?
A guess based on observations
What is adhesion?
The attraction of water molecules to other different molecules.
True or False: all living things respond to their environments?
true
What are the monomers and polymers for a carbohydrate?
monomer: monosaccharide
Polymer: polysaccharide
Describe independent vs dependent variable
Independent is the cause: what gets changed
Dependent is the effect: what changes due to the independent
What is the most basic unit of life?
cells
Water is the most dense in what state of matter?
Liquid
What will happen if an organism does not maintain homeostasis?
illness or death
What are the monomers and polymers for a protein?
Monomer: Amino acids
Polymer: polypeptide
An explanation of observed phenomenon that explains "why", but never becomes fact or law is called _____.
Theory
A broad concept of how things in nature work is called a ______ in science.
Law
Why does water having high specific heat on Earth matter?
- allows wildlife to live in water
-keeps earth cool
-keeps our cells alive
What is the definition of homeostasis?
The maintenance of a stable internal environment
What are the monomers and polymers for a lipid?
monomer: glycerol and fatty acids
Polymer: Triglycerides
atom-molecule-organelle-cell-tissue-organ-organ system-organism-population-communities-ecosystems-biomes-biosphere
Define precision versus accuracy
Precision is how close the measurements are to one another and accuracy is how close the measurement is to the correct value.
List 4 of the 6 properties that are unique to water.
Water is polar
cohesion and adhesion
density
high specific heat
water is a universal solvent
What allows cells to maintain homeostasis by allowing the cell membrane to be selectively permeable?
the phospholipid bilayer
Why are nucleic acids different from the other three macromolecules?
Nucleic acids are found in DNA and RNA. They are not eaten.