Table of Specifications
. Systems, order, and organization Evidence, models, and explanation Change, constancy, and measurement Evolution and equilibrium Form and function Science as Technology Science in Historical, Personal and Societal Perspectives
The sun, moon & stars have observable locations & movements. . . . . . . .
The sun maintains the temperature of the earth. . . . . . . .
Objects in the sky have patterns of movement. . . . . . . .
Contents of the Solar System . . . . . . .
Objects in the solar systems are in regular and predictable motions. . . . . . . .
Gravity. . . . . . . .
The sun is the major source of energy for Earth. . . . . . . .
The sun, the earth, and the rest of the solar system formed from a nebular cloud of dust and gas 4.6 billion years ago. . . . . . . .
The "big bang" theory places the origin between 10 and 20 billion years ago. . . . . . . .
Stars produce energy from nuclear reactions that lead to the formation of all the other elements. . . . . . . .
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ts 4.28.97