BISD 8th Grade Science Vocabulary
Nature of Science
conclusion
manipulated variable
constant
models
control
observation
dependent variable
responding variable
hypothesis
Scientific method
independent variable
technology
inference
variables
TOOLS – 8th Grade Students should know the names and how to use a variety of tools
and equipment: anemometers, psychrometers, microscopes, beakers, graduated
cylinders, test tubes, meter sticks, spring scales, timing devices, hot plates, balances,
thermometers, calculators, spectroscopes, computers, journals / notebooks, safety
goggles, aprons, and gloves
10-11
BISD 8th Grade Science Vocabulary Physical Science activation energy
corrosiveness
half-life
Atomic mass
density
heat
atomic number
displacement
inertia
average speed
distance
inhibitor
catalyst
distance-time
graph
insulation
catalyst
change of state
ductility
isotopes
chemical change
electron
chemical equation
electron cloud
chemical formula
element
chemical
properties
endothermic
chemical reaction
chemical symbol
coefficient
compound
concentration
conductivity
ions
kinetic energy
luster
malleability
mass number
enzyme
metalloids
exothermic
metals
family
models
flammability
motion
force
net force
friction
neutron
group
Newton’s 2nd law of
motion
representative
elements
Newton’s 3rd law of
motion
semiconductors
shell
nonmetals
solubility
nucleus
specific heat
oxidation acceleration
period
speed
subscript
periodic table
synthetic elements
physical change
temperature
physical properties
thermal energy
precipitate
thermal expansion
products
transition elements
proton
transmutation
radioactive decay
unbalanced force
rate of reaction
valence electron
reactants
velocity
reactivity
viscosity
constant speed
10-11
BISD 8th Grade Science Vocabulary
Earth and Space Science
absolute magnitude
divergent boundary
land subsidence
rock cycle
acid rain
El Nino
landform
sea-floor spreading
apparent magnitude
elliptical galaxy
light year
soil profile
asthenosphere
emissions
lithosphere
spiral galaxy
Big Bang theory
equilibrium
Mass extinction
spring tide
black hole
erosion
mid-ocean ridge
sunspot
Catastrophic events
fertilizer runoff
neap tide
supergiant
climate
galaxy
nebula
topographic map
constellation
global warming
ocean currents
transform boundary
continental drift
greenhouse effect
ozone depletion
universe
contour line
Hertzsprung-Russell
Pangaea
uplift
convection currents
(H-R) diagram
plate tectonics
volcanic mountains
convergent boundary
irregular galaxy
pulsar
weather
Corioilis effect
La Nina
radiation
white dwarf
xeriscaping
10-11
BISD 8th Grade Science Vocabulary
Life Science
10% rule
excretion
interdependence
positive feedback
allele
external stimulus
internal stimulus
Punnett square
carbon cycle
extinction
learned behavior
ratios
cell
gene
metabolism
recessive trait
commensalism
genetics
mutualism
survival of the fittest
diffusion
genotype
natural selection
symbiosis
dominant trait
habitat destruction
negative feedback
threatened species
endangered species
heterozygous
nitrogen cycle
tissue
energy pyramid
homeostasis
organ
turgor pressure
environmental
conditions
homozygous
organ system
water cycle
inherited trait
parasitism
interaction
percentage
interaction
phenotype
equilibrium
equilibrium
evolution
10-11