Examlex
In the formula A(t) A ( t ) = A _ { n e <sup>k t </sup>> } , A is the amount of radioactive material remaining from an initial amount A0 at a given time t, and k is a negative constant determined by the nature of the material. An artifact is discovered at a
Certain site. If it has 59% of the carbon-14 it originally contained, what is the approximate age of the artifact?
Carbon-14 decays at the rate of 0.0125% annually. Round to the nearest year, if necessary.
Conventional Level
According to Kohlberg, a period during which moral judgments largely reflect social rules and conventions.
Intellectual Spurt
A significant and rapid increase in a person's cognitive abilities or knowledge, often occurring during developmental stages.
Decentration
Simultaneous focusing (centering) on more than one aspect or dimension of a problem or situation.
Concrete Operational
A stage in Piaget's theory of cognitive development (ages 7-12) where children gain a better understanding of concrete events and logical operations, but struggle with abstract concepts.
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