Biology Final Review
Vocabulary List For First Semester
1.Biology: The science that employs the scientific method to study living things.
2.Theory: Well-tested explanation that unifies a broad range of observation.
3.Hypothesis: Possible explanation for a set of observations or possible answer to a scientific question.
4.Scientific Method:
*state the problem
*gather the known information
*form a hypothesis
*set up an experiment with a control
*observe and record information
*state conclusion.
5.Atomic Mass: Sum of protons and neutrons in an atom.
6.Nucleus: The center of the atom which contains the protons and neutrons. In cells, structure that contains the cell’s genetic material (DNA) and controls the cell’s activities.
7.Atom: Basic unit of matter
Protrons: Positive charge
Neutrons: Neutral charge
Electrons: Negative charge
8.Atomic Number: The number of protrons any atom has, will determine what element it is.
9.Electron Shells: The shells outside of the atom that hold the electrons.
10.Valence Electrons: The electrons that are found in the outer shell surrounding an atom.
11.Physical Change:
12.Chemical Change:
13.Matter: Is anything that occupies space and has mass.
Solid:
Liquid:
Gas:
14.Solution: Mixture of two or more substances in which the molecules of the substances are evenly distributed.
15.Solvent: Substance in which a solute is dissolved to form a solution.
16.Solute: Substance that is dissolved in a solvent to make a solution.
17. Molecule: Smallest unit of most compounds.
18.Compound: Substance formed when one or more electrons are transformed from one atom to another.
19.Ion: Atom that has a positive or negative charge.
20.Ionic Bond: Bond formed when one or more electrons are transferred from one atom to another.
21.Inorganic:
22.Organic:
23.Catalyst:
24.Enzyme:
25.Homeostasis:
26.Protein (C,H,O,N)
27.Carbohydrate: Compound made up of carbon, hydrogen, and oxygen...
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