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Vocabulary. 1. You should check the pronunciation of key words



1. You should check the pronunciation of key words. Transcribe the words:

Physical, science, theoretical, laws, fluid, pressure, surface, phenomena, coalesce, frontier, analyze, weight, thrust, figured out, balloons, conquered, designers

2. Match the words from the texts (1-10) with the definitions (A-J):

  to move A one of the large flat parts that stick out from the side of a plane and help to keep it in the air
  propulsion B the way in which wind, air, or water can cause a moving object such as a car, plane, or boat to slow down
  balloon C to change from one place or position to another, or to make something do this
  resistance D the natural force that prevents one surface from sliding easily over another surface
  friction E a large bag of strong light cloth filled with gas or heated air so that it can float in the air. It has a basket hanging below it for people to stand in.
  shape F a light frame covered in coloured paper or plastic that you let fly in the air on the end of one or two long strings
  wing G the form that something has, for example round, square, triangular etc.
  kite H the force that drives a vehicle forward
  flow I the force or weight that is being put on to something
  pressure J a smooth steady movement of liquid, gas, or electricity

3. Match the words from the texts (1-5) with their synonyms (A-E):

  trial A to examine
  to coalesce B test
  to verify C tendency
  operation D to unite
  penchant E work




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