PSSA practice vocabulary words Flashcards
abiotic factors
the nonliving materials in an environment
adaptation
a characteristic of an organism that promotes its survival in a certain environment.
air pressure
the pressure a column of air above a certain location exerts on Earth’s surface.
aquifer
a rock or sediment layer that holds water and allows water to flow through it.
barometer
an instrument used to measure air pressure
beaker
an instrument used to measure volume
benefit
a way that a new development in science or technology meets the needs of society
binoculars
an instrument used to reveal the details of faraway objects
biodegradable
able to be naturally broken down into harmless substances
biomass
any organic material that can be used as an energy source.
biome
a region that contains similar ecosystems and is characterized by certain climate conditions.
molar mass
calculated as the product of mass and number of moles a substance
mitosis
a process of cell duplication in which one cell divides into two genetically identical daughter cells.
tertiary consumer
animal that obtains its nutrition by eating primary and secondary consumers.
bionics
the use of human-made devices to replace body parts or organs.
