Welcome to Ms. Esser's Science 1 page. Here you'll be able to find out what we're doing in class, studying tips, and some helpful web sites.
MIDTERM EXAM: Wednesday, January 17, 2001
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1st Semester Exam Study Guide—Science 1
Review all notes, tests, and quizzes
Scientific Method/Nature of Science
List the steps of the scientific method (in order), what each entails, and how to apply them
Recognize the difference between control group and experimental group
Know what “science is” and “science is not”
Identify the difference between an observation and an assumption
Metrics and Density
Know how to use KHDMdcm
Make metric conversions
Know the metric units for length, volume, density, mass
Know the density of water; when objects will sink or float
Be able to identify the density of objects by looking at a graph
Identify the relative density of liquids in a density column
Matter and Atoms
Define the four states of matter and give an example of each
Know the difference between heterogenous mixtures and homogeneous mixtures, and give examples
Identify the difference between solutions, compounds, mixtures, and elements
Identify the trends of the periodic table
Identify elements as metals, nonmetals, metalloids, transition metals, or noble gases
When given an element, use the periodic table to find the symbol, atomic number, atomic weight, # of protons, neutrons, electrons, orbitals, and # of electrons in the last orbital.
Know the difference between ionic and covalent bonds
Who created the periodic table?
What is an ion?
Create Bohr models of the first 20 elements
Recognize correct Lewis dot structures of compounds
Changes in Matter
Recognize the difference between isotopes and different elements
Give examples of isotopes
Define endothermic and exothermic reaction, and be able to identify them by reading a graph
Identify the differences between physical, chemical, and nuclear changes
Define and understand the Law of Conservation of Matter and the Law of Conservation of Mass
Identify the pros and cons of nuclear energy
Know the difference between subscripts and superscripts
Balance chemical equations
Understand the pH scale
Know the difference between acids and bases, and the ions in each
Recognize the how the color of pH and litmus paper identifies acids and bases
Define: monosaccharides, disaccharides, polysaccarides and give examples of each
Define and recognize the structures of carbohydrates, fats and proteins
Name the elements found in carbs, fats, and proteins
Name the functions of carbs, fats, and proteins
What are amino acids? How many are there?
What distinguishes one amino acid from another?
Describe the process of dehydration synthesis
Name the chemical formula for a simple sugar
Describe the difference between saturated and unsaturated fatty acids
Define enzymes and name the three things that effect enzyme activity
How do you name enzymes?
Define: active site, substrate, lock and key model