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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. |
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| The sun maintains the temperature of
the earth. |
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| Objects in the sky have patterns of
movement. |
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| Contents of the Solar System |
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| Objects in the solar systems are in regular
and predictable motions. |
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| Gravity. |
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| The sun is the major source of energy
for Earth. |
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| 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. |
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| The "big bang" theory places the origin between
10 and 20 billion years ago. |
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| Stars produce energy from nuclear reactions
that lead to the formation of all the other elements. |
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