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Below are the objectives for Grade 7.  Click on the link  for students or  for teachers for any objective to see the resources available or to add your own resource.

HomeScience - Grade 7

 

Standard 1: Earth & Space

Resources

Benchmark

Indicator

C.   Describe interactions of matter and energy throughout the lithosphere, hydrosphere, and atmosphere (e.g., water cycle, weather, and pollution).

1.a  Explain the biogeochemical cycles which move materials between the lithosphere (land), hydrosphere (water) and atmosphere (air).

1.b  Diagram the physical structure of the atmosphere.

2.   Explain the Earth’s capacity to absorb and recycle materials naturally (e.g., smoke, smog and sewage) can change the environmental quality depending on the length of time involved (e.g., global warming).

3.   Diagram the water cycle and explain the transfer of energy between the atmosphere and hydrosphere.

4.a  Analyze data on the availability of fresh water that is essential for life and for most industrial and agricultural processes. Describe how rivers, lakes and groundwater can be depleted or polluted becoming less hospitable to life and even becoming unavailable or unsuitable for life.

4.b  Evaluate the methods used to map the ocean floor and its features.

4.c  Compare and contrast ocean and fresh water.

4.d  Identify the main features of the ocean floor.

4.e  Illustrate water movement in the ocean.

4.f   Explain the cause and effects of high and low tides.

5.a  Make simple weather predictions based on the changing cloud types associated with frontal systems.

5.b  Identify the causes of wind and the earths wind system.

5.c  identify types of air mass.

6.   Determine how weather observations and measurements are combined to produce weather maps and that data for a specific location at one point in time can be displayed in a station model.

7.a  Use a weather map to interpret local, regional and national weather.

7.b  Use his/her knowledge to predict weather-using weather       maps.

8.   Describe how temperature and precipitation determine climatic zones (biomes) (e.g., desert, grasslands, forests, tundra and alpine).

9.   Analyze the connection between the water cycle and weather-related phenomenon (e.g., tornadoes, floods, droughts and hurricanes).

 

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