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Below are the objectives for Grade 9.  Click on the link  for students or  for teachers for any objective to see the resources available or to add your own resource.

Home – Science - Grade 9

 

Standard 1: Earth & Space

Resources

Benchmark

Indicator

  

A.   Explain how evidence from stars and other celestial objects       provide information about the processes that cause changes

      in the composition and scale of the physical universe.

1.   Describe that stars produce energy from nuclear reactions

      and that processes in stars have led to the formation of all

      elements beyond hydrogen and helium.

1a.  Describe and relate phenomena at the sun’s surface

      (e.g., sunspots, flairs, storms).

2.   Describe the current scientific evidence that supports the

      theory of the explosive expansion of the universe, the Big Bang,

      over 10 billion years ago.

3.   Explain that gravitational forces govern the characteristics

      and movement patterns of the planets, comets and asteroids

      in the Solar System.

  

B.   Explain that many processes occur in patterns within the       Earth’s systems.

4.   Explain the relationships of the oceans to the lithosphere and

      atmosphere (e.g., transfer of energy, ocean currents, landforms).

E.   Explain the processes that move and shape Earth’s surface.

5.   Explain how the slow movement of material within Earth results       from:

·         Thermal energy transfer (conduction and convection) from the deep interior

·         The action of gravitational forces on regions of different density

6.       Explain the results of plate tectonic activity (e.g., magma generation, igneous intrusion, metamorphism, volcanic action, earthquakes, faulting and folding).

7.   Explain sea-floor spreading and continental drift using       scientific evidence (e.g., fossil distributions, magnetic       reversals and radiometric dating).

F.   Summarize the historical development of scientific theories and       ideas, and describe emerging issues in the study of Earth and       space sciences.

8.   Use historical examples to explain how new ideas are limited by       the context in which they are conceived; are often initially rejected       by the scientific establishment; sometimes spring from       unexpected findings; and usually grow slowly through contributions       from many different investigators (e.g., heliocentric theory and       plate tectonics theory).

 

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