Eighth Grade Science
Course Outline

No one can become really educated without having pursued some study in which he took no interest. For it is part of education to interest ourselves in subjects for which we have no aptitude.
T S Eliot

See the Texas Essential Knowledge and Skills for Science at http://www.tea.state.tx.us/rules/tac/chapter112/index.html.
Below is the proposed scope and sequence for this year. Education is a dynamic enterprise, and this may be revised at any time to accommodate the changing needs of the students.
First Semester
I. The Nature of Science
Definition of science
Definition of technology
Types of research
Descriptive
Experimental
Science skills
Observing
Inferring
Predicting
Hypothesizing
Communicating
Measuring
Precision
Accuracy
Metrics
Designing investigations
Analyzing
Graphing
Bar
Line
Scatter
Circle
Interpolation
Extrapolation
Statistics
Central tendencies
Frequency
Range
Percent
Rates of change
Models
Types
Uses
Limitations
Evaluation
Modifications
II. Earth Systems & Cycles
Cycles
Carbon
Nitrogen
Lunar
Rock
Solar / ocean
Weather
Climate
Human impact on cyles
III Chemical Interactions
Atomic model
Atomic structure
Proton
Neutron
Electron
Charges
Atomic mass
Mass number
Atomic number
Energy levels
Electron cloud
Isotopes
Valence electron
Electron dot diagrams
Nuclear force
Physical properties
Phase changes
Temperature
Heat
Specific heat
Fluids
Elements & the Periodic Table
Families
Periods
Metals non-metals
Metalloids
Transition elements
Rare Earth elements
Noble gases
Periodic properties
Compounds
Bonding
Formulas
Properties
Change in properties
Chemical Reactions
Endothermic
Exothermic
Indicators
Release of gas
Color change
Change in temperature
Precipitate
Formulas & Equations
Reactants
Products
Balancing
Law of conservation of mass
Subscripts
Coefficients
Naming
Second Semester
IV. Physical Interactions
Motion
Frame of reference
Calculations
Speed
Velocity
Distance
Acceleration
Motion graphs
Forces
Combining
Balanced / unbalanced
Friction
Air resistance
Newton's Laws
Gravity / weight / mass
Universal gravitation
Waves
General characteristics
Amplitude
Crest
Trough
Wavelength
Frequency
Color & pitch
Speed
Wave behavior
Reflection
Refraction
Diffraction
Interference
Energy
Movement
Medium
Mechanical waves
Transverse
Compressional
Sound
Electromagnetic
Seismic
V. History of the Earth
Origin of the universe
Big bang
Stars and galaxies
History of the Earth
Fossils
Formation
Types
Interpretation
Fossil record
History of rocks
Rock cycle
Law of superposition
Relative dating
Unconformities
Absolute dating
Principle of uniformitarianism
Geologic time
Divisions
Organic evolution
Species
Natural selection
Artificial selection
Characteristics of Eras
Evidence of changes
Plate tectonics
Genetics
DNA / Chromosomes / Genes
Traits
Dominant
Recessive
Co-dominant
Punnett squares
Mutations & adaptations
Species definition
Darwin
Natural selection
Selective breeding
Adaptive radiation
Extinction