science Flashcards
ecology
the study of the interactions of living organisms with one another and with their environment
biotic
living factors in the environment
population
a group of organisms of the same species that live in a specific geographical area
community
all the populations of species that live in the same habitat
ecosystem
a community of organisms and their abiotic environment
biosphere
the part of earth where life exists
nonrenewable resource
a resouce that forms at a rate that is much slower
fossile fuels
a nonrenewble energy resouce formed from the remains
renewble resource
a naturla resource that can be replaced at the same rate
heat
the energy transferred between objects that are at different temps
thermal energy
the kinetic energy of a substance atoms
thermal conduction
the transfer of energy as heat
thermal conductor
a material through which energy can be transferred
thermal insulator
a material that reduce or prevents the transfer of heat
convection
the transfer of thermal energy
radiation
the transfer of energy as electronmagnetic
specific heat
the quantity of heat required to raise a unit mass of homogeneous material
states of matter
the physical forms of matter which include solid
change of state
the change of a substance from one phsical state