Technology 5.1

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Across
  1. 2. ...engineering
  2. 3. to connect a piece of electrical equipment to the main supply of electricity
  3. 6. an electronic device that is sent into space and moves around the earth or another planet. It is used for communicating by radio, television, etc. and for gathering information.
  4. 8. ...of petrol, money, time
  5. 9. an occasion when a vehicle or machine stops working
  6. 11. you do it, it`s a scientific test that is done in order to study what happens and to gain new knowledge
Down
  1. 1. the act of giving a person or an animal a substance in order to protect them against a disease
  2. 4. ...an injection
  3. 5. energy obtained from the light and heat from the sun, used to produce electricity
  4. 7. what you usually do with a button
  5. 10. they can destroy or prevent the growth of bacteria and cure infections