Read the article titled “Aging US Power Grid Blacks Out More Than  Any Other Developed Nation” under the Smart Grid terms section of the  Science Corner. You can also view the article at  Next, assess the efficiency of the current state of the national  electric grid in the United States. Then, describe the key challenges in  updating this grid to a so-called “smart grid”.

Read the article titled “Earth’s Inconstant Magnetic Field” under  the Earth’s Magnetic Field terms section of the Science Corner. You can  also view the article at  Next, summarize the main reasons why the researchers stated that “our  planet’s magnetic field is in a constant state of change”. Then, discuss  the overall manner in which a magnetic reversal might impact human  activities on Earth. Include one (1) example of such impact to support  your response.

Demonstrate an instance of static charge such as seen with examples  #32 and 33 shown on page 209 of your textbook. Next, post a picture of  your example then explain the method of charging you used as well as the  charges displayed in each object.

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