Source: www.englishexercises.org
4 A probe has been designed by Nat Geo workers.
Watch the video and fill in the missing information in the following table.
Speed | Up to |
A billion dollars | |
Tim Samaras’ job | Electronics |
Number of probes in his van | |
of one probe | |
The probes measure | Biometric speed Wind Temperature |
Cameras in the probes | Video |
The name of the area in the | Tornado |
Starting date of the experiment | 3rd |
Distance that they covered | |
Number of states visited | |
Time that Tim needs to place a probe | Less than 10 |
Watch the video again and decide whether the following statements are true, false or not mentioned.
1 Tornadoes are one of the most understood natural phenomena.
2 Tim Samaras works on his own.
3 Tim has never been able to get data from the centre of a tornado.
5 Storm chasers try to put their measuring devices in the path of tornadoes.
6 Tornadoes are formed when there is warm humid air and cool dry air in the atmosphere.
7 All tornadoes look the same.
8 Tornadoes usually hit and form very fast.
9 Strom chaser are often hit by tornadoes.
10 The tornado has left some marks on the probe.
11 The pressure inside a tornado never drops.
12 They have managed to get images from the centre of the tornado.
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