Biology
A small, infectious agent that people argue isn't technically alive
What is a virus?
A proposed explanation for a phenomenon, meant to be tested by the scientific method
What is a hypothesis?
The positively charged subatomic particle in an atom
What is a proton?
The type of bond where one element steals electron(s) from another.
What is an ionic bond?
Water's tendency to be attracted to other water molecules
What is cohesion?
A substance that increases proton concentration in a solution
What is an acid?
The three tenants of cell theory
What are: 1) All living organisms are composed of one or more cells, 2) The cell is the basic unit of life, and 3) All cells arise from pre-existing cells.
An explanation for phenomena that has been well supported by the scientific method, and is accepted by the scientific community
What is a theory?
The negatively charged subatomic particle in an atom.
What is an electron?
The type of bond where valence electrons are equally shared between each other.
What is a nonpolar covalent bond?
What is adhesion?
A substance that decreases proton concentration in a solution
What is a base?
The functional properties of life
What are organization, metabolism, homeostasis, growth, reproduction, and response to stimuli?
Data involving numbers vs. data involving non-numeric characteristics
What are quantitative vs qualitative data?
The neutral subatomic particle in an atom.
What is a neutron?
The type of bond where electrons are equally shared between each other.
What is a polar covalent bond?
The amount of energy needed to raise 1 gram of a substance 1 degree celsius higher.
What is specific heat capacity?
The pH of pure water
The three domains of life
What are bacteria, archaea, and eukarya?
The variable in a study that is directly changed by the researchers
Atoms different numbers of protons.
What are elements?
The bond shared in-between (not within) two highly polar molecules.
What is a hydrogen bond?
The amount of heat needed to cause a liquid to turn into a gas.
What is heat of vaporization?
The concentration of protons in pure water.
What is 10-7 mol/L?
Cells that contain membrane bound organelles.
What are eukaryotic cells?
The variable in a study that changes in response to a variable that the researchers changed.
What is a dependent variable?
Atoms where the number of protons are different from the number of electrons.
What are ions?
The type of bond between Na and Cl in NaCl
What is an ionic bond?
The property of water that allows lakes to still exist under ice sheets in the winter.
What is the expansion of water when frozen? (Ice less dense than liquid water)
6.022 * 1023 objects
What is a mole?
The earliest domain of life to evolve
What are bacteria?
A variable in an experiment that is kept the same between different groups.
What is a controlled variable?
Atoms with the same number of protons, but a different number of neutrons.
What are isotopes?
The type of bond shared between two hydrogen atoms in H2.
Molecules that don't mix with water
What are nonpolar molecules
pH = -log[H+ ions]
Endosymbiotic theory
What is the theory that eukaryotes evolved when large prokaryotes engulfed bacteria, but the bacteria evolved into mitochondria?
The kind of study where researchers don't control any factors, but get data through methods like surveys. Only correlation can be determined by this type of study.
What is an observational study?
The outer shell of an atom
What is the valence shell?
The type of bond formed by hydrogen and oxygen in H2O
Compounds that dissociate in water
What are ionic compounds?
The reaction equation for the ionization of water
H2O <---> H+ + -OH
The organelle in human cells that is descended from bacteria
What is the mitochondrion?
The kind of study where all factors are controlled, so causation can be determined.
What is an experiment?
The property of an atom that determines if it will form polar or nonpolar bonds with another atom.
What is electronegativity?
An abundant element in our bodies that forms four covalent bonds.
What is carbon?
The property of water that makes it a good solvent
A solution that resists changes to pH
What is a buffer?