8th Grade Science Essential Vocabulary
Quarter 1
Atom
Periods
Closed System
Molecule
Groups
Open System
Elements
Solubility
Product
Compounds
Density
Reactant
Mixtures
Polarity
Heterogeneous
Melting Point
Homogeneous
Boiling Point
The Law of
Conservation of
Mass
Solution
States Of Matter
Conductivity
Precipitate
Reactivity
Physical Properties
Metals
Physical Change
Nonmetals
Chemical Properties
Metalloids
Chemical Change
Photovoltaic Cells
Solar Batteries
Reflectors
Fossil Fuels
Nonrenewable
Renewable
8th Grade Science Essential Vocabulary
Quarter 2
Fresh Water
Upwelling
Hardness
Surface Water
Downwelling
Nitrates
Glaciers
Salinity
Turbidity
Ground Water
Hydrothermal Vent
Eutrophication
Permeable
Terrestrial
Bioindicators
Impermeable
Aquatic
Abiotic
Hydrosphere
Microbes
Phosphates
Aquifer
Sonar
Watersheds
Deep Ocean
Trenches
Point-Source
Pollution
River Basin
Tributaries
Solvent
Salt Water
Estuaries
Marine Ecosystems
Reservoirs
Chemosynthesis
Methane Cold Seeps
Nonpoint Source
Pollution
Micro-organisms
Pesticides
Deep Ocean
Technology
Overfishing
Temperature
Stewardship
Dissolved Oxygen
Clean Water Act
pH
Safe Drinking Act
8th Grade Science Essential Vocabulary
Quarter 3
Microbiology
Niche
Evaporation
Viruses
Population
Precipitation
Bacteria
Species
Nitrogen Cycle
Protozoa
Ecology
Nutrient
Parasites
Producer
Carbon Cycle
Fungi
Consumer
Water Cycle
Algae
Decomposer
Autotroph
Vaccines
Scavenger
Heterotroph
Antibiotics
Predator
Mitosis
Host Cell
Prey
Meiosis
Unicellular
Competition
Plasma Membrane
Vectors
Mutualism
Multicellular
Infectious
Commensalism
Prokaryotic
Pathogens
Parasitism
Eukaryotic
Epidemic
Symbiosis
Organelle
Pandemic
Photosynthesis
Photosynthesis
Antimicrobial
Organism
Cellular Respiration
Cells
Food Chain
Toxins
Biotic
Food Web
Addiction
Abiotic
Transpiration
Ecosystem
Condensation
Habitat
8th Grade Science Essential Vocabulary
Quarter 4
Biotechnology
Homologous
Index fossils
DNA
Analogous
Lithosphere
Bioremediation
Embryological
Extinction
Genetic
Modification
Taxonomy
Law of
Superposition
Cloning
Penicillin
Insulin
Diabetes
Evolution
Plate Tectonics
Lithosphere
Pangaea
Adaptations
Variations
Geological Time
Scale
Plate Tectonic
Theory
Divergent
Convergent
Transform
Phenotype
Morphological
Biochemical
DNA
Unconformities
Plate Tectonics
Absolute Age
Relative Age
Radioactive Dating
Sedimentary Rock
Igneous Rock
Metamorphic Rock
Rock Cycle
Fault