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July 31, 2014

Homework Help: 7TH GRADE SCIENCE?!?!

Posted by Rebekah on Tuesday, April 16, 2013 at 11:41pm.

1. Which of the following shows the correct sequence of energy transformations when listening to the radio?
electrical; kinetic; sound; kinetic; electrical
electrical; sound; kinetic; sound; electrical
sound; electrical; kinetic; electrical; sound
kinetic; sound; electrical; kinetic; electrical

2. The graph shows the sources of electrical energy in the United States. In 2002, the total amount of electrical energy produced in the United States was 38.2 quads. How much was produced using gas?
24.2 quads
53.5 quads
273 quads
5.3 quads

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