8


Reading


Reading 1: understanding the general idea


A Talk in small groups. Look at the picture and answer the questions. 1. Do you know the movie? 2. Who are the two characters in the picture? 3. What are they trying to do? 4. What happens in the rest of the movie? 5. Do you believe that time travel is possible?


B read the text and put these key words into the correct space. physics


stories moments scientists Time Travel – Fantasy or Reality?


Time travel is the idea of moving between different (1) ________ in time in the same way that it is now possible to move between different points in space. Time travel would involve sending objects backwards in time to a moment before the present, or forwards from the present to the future, without the need to experience the period in between.


Based on theories of time dilation, gravity and relativity, one-way time travel into the future might be possible, but it seems that the laws of (2) ________ would not allow time travel backwards into the past. People argue that if you travelled back in time, you could change events.


Reading 2: completing a summary


A Complete this summary of the first two paragraphs of the text using words from the box. You do not need to use all the words.


Time travel would mean moving between points in time in the same way that we now move between points in (1) ________. That means travelling backwards into the (2) ________ or forwards into the future without living through the (3) ________ in between. It seems that forward travel is a (4) ________ but that travelling back in time is probably not. If a person could travel back in time, they might change something in a way that would threaten their (5) ________. Stories about time travel are very popular, but if time travel is possible, why are (6) ________ from the future not visiting us?


102 Pathway to IELTS 1


moments time past


people points


existence history objects possibility space


Changing events would probably lead to a chain of other events that would mean that you would not be born and so would not exist.


Some (3) ________, however, believe that travelling back in time might take the traveller to a parallel universe. This means that the moment the traveller arrived in the past, his history would begin to change from the history he has already experienced.


Many books and films have told (4) ________ of time travel, but the well-known scientist, Stephen Hawking, suggests that time travel is not possible because nobody from the future has visited Earth. He believes that if generations from the future could travel in time, they would be visiting us.


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