IDENTIFYING AND PARAPHRASING TOPIC SENTENCES
Directions: For each passage, select the letter of the correct topic and write the number of the topic sentence in the blank. Then select the letter of the best paraphrase.
¹ As far as mysteries of the universe go, the complex phenomena known as black holes rank among the most spectacular. ²Called "black" because its gravitational field is so powerful as to be able to suck in light, a black hole is believed to be formed when a particularly large star runs out of fuel and collapses upon itself. ³Although a black hole can't be seen, it can be detected by the huge emissions of x-ray radiation given off by matter as it falls into the hole. ⁴It is this very property of black holes-the ability to turn matter directly into energy-that might one day make them a vital source of energy. ⁵Some scientists believe that black holes may play an important role in the fate of the universe. ⁶Some also believe that black holes will eventually swallow all the matter in existence.
Topic
a.gravitational fields
b.black holes
c.radiation
Topic Sentence _____
Paraphrase
a.The theory is that black holes are formed when a star collapses in on itself.
b.Black holes are truly amazing.
c.It's possible that black holes may one day destroy the universe.

Question

Quizplus · Accepted Answer

The Answer of IDENTIFYING AND PARAPHRASING TOPIC SENTENCES Directions: For each passage, select the letter of the correct topic and write the number of the topic sentence in the blank. Then select the letter of the best paraphrase. ¹ As far as mysteries of the universe go, the complex phenomena known as black holes rank among the most spectacular. ²Called "black" because its gravitational field is so powerful as to be able to suck in light, a black hole is believed to be formed when a particularly large star runs out of fuel and collapses upon itself. ³Although a black hole can't be seen, it can be detected by the huge emissions of x-ray radiation given off by matter as it falls into the hole. ⁴It is this very property of black holes-the ability to turn matter directly into energy-that might one day make them a vital source of energy. ⁵Some scientists believe that black holes may play an important role in the fate of the universe. ⁶Some also believe that black holes will eventually swallow all the matter in existence. Topic a.gravitational fields b.black holes c.radiation Topic Sentence _____ Paraphrase a.The theory is that black holes are formed when a star collapses in on itself. b.Black holes are truly amazing. c.It's possible that black holes may one day destroy the universe.