by Callie Oliver | Jan 4, 2019
(MS.ESS2A.b) The planet’s systems interact over scales that range from microscopic to global in size, and they operate over fractions of a second to billions of years. These interactions have shaped Earth’s history and will determine its future.
by Callie Oliver | Jan 4, 2019
(MS.ESS2A.a) All Earth processes are the result of energy flowing and matter cycling within and among the planet’s systems. This energy is derived from the sun and Earth’s hot interior. The energy that flows and matter that cycles produce chemical and physical changes...
by Callie Oliver | Jan 4, 2019
(MS.ESS1C.b) Scientists use data from radioactive dating techniques to estimate the age of Earth’s materials.
by Callie Oliver | Jan 4, 2019
(MS.ESS1C.a) The geologic time scale interpreted from rock strata provides a way to organize Earth’s history. Analyses of rock strata and the fossil record provide only relative dates, not an absolute scale.
by Callie Oliver | Jan 4, 2019
(MS.PS3B.a) When the kinetic energy of an object changes, there is inevitably some other change in energy at the same time.
