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| GRADE 9 - 12 |
| PHYSICAL SCIENCE BODY OF KNOWLEDGE |
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Standard 12: Motion
A. Motion can be measured and described qualitatively and quantitatively. Net forces create a change in motion. When objects travel at speeds comparable to the speed of light, Einstein's special theory of relativity applies.
B. Momentum is conserved under well-defined conditions. A change in momentum occurs when a net force is applied to an object over a time interval.
C. The Law of Universal Gravitation states that gravitational forces act on all objects irrespective of their size and position.
D. Gases consist of great numbers of molecules moving in all directions. The behavior of gases can be modeled by the kinetic molecular theory.
E. Chemical reaction rates change with conditions under which they occur. Chemical equilibrium is a dynamic state in which forward and reverse processes occur at the same rates.
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BENCHMARK CODE |
BENCHMARK |
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SC.912.P.12.1 |
Distinguish between scalar and vector quantities and assess which should be used to describe an event. |
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SC.912.P.12.2 |
Analyze the motion of an object in terms of its position, velocity, and acceleration (with respect to a frame of reference) as functions of time. |
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SC.912.P.12.3 |
Interpret and apply Newton's three laws of motion. |
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SC.912.P.12.4 |
Describe how the gravitational force between two objects depends on their masses and the distance between them. |
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SC.912.P.12.5 |
Apply the law of conservation of linear momentum to interactions, such as collisions between objects. |
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SC.912.P.12.6 |
Qualitatively apply the concept of angular momentum. |
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SC.912.P.12.7 |
Recognize that nothing travels faster than the speed of light in vacuum which is the same for all observers no matter how they or the light source are moving. |
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SC.912.P.12.8 |
Recognize that Newton's Laws are a limiting case of Einstein's Special Theory of Relativity at speeds that are much smaller than the speed of light. |
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SC.912.P.12.9 |
Recognize that time, length, and energy depend on the frame of reference. |
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SC.912.P.12.10 |
Interpret the behavior of ideal gases in terms of kinetic molecular theory. |
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SC.912.P.12.11 |
Describe phase transitions in terms of kinetic molecular theory. |
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SC.912.P.12.12 |
Explain how various factors, such as concentration, temperature, and presence of a catalyst affect the rate of a chemical reaction. |
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SC.912.P.12.13 |
Explain the concept of dynamic equilibrium in terms of reversible processes occurring at the same rates. |
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| News and Views |
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News Items
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November 30, 2013
On environment, shortsightedness costs Florida big.
Scott Maxwell, Taking Names.
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October 9, 2013
Fuel Cell Today analysis.
The Fuel Cell Industry Review 2013.
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September 25, 2013
Fuel Cell Today analysis.
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August 1, 2013
Duke Energy to cancel proposed Levy County nuclear plant.
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May 22, 2013
Fuel Cell Today analysis.
Electrolysers for Renewable Energy Efficiency.
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March 13, 2013
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September 24, 2012
Sewer Systems Legal Filing.
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February 1, 2012
Fuel Cell Today update.
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January 13, 2012
Sewer Agenda.
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December 23, 2011
Scientist: Water account overdrawn.
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Novemver 14, 2011
Submission to the Citrus County Commissioner, 14 November, 2011.
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