1. Ing. Ivana Dubovská

2. Key words  science  scientist  scientific  experiment  discover  discovery  invent  inventor  invention

3. Scientists try to know the physical world by using their five senses

4. They use scientific instruments like  telescope  microscope  stethoscope  and many others

5. Scientists perform experiments

6. They have discovered and invented  the structure of DNA  penicillin  insulin  polio vaccine  new galaxies  nuclear energy  cars  planes  television  mobile phones  vacuum cleaner  personal computers

7. Some technologies make our life better and easier  microwave  food processor  laser  washing machine  vacuum cleaner  refrigerator  nuclear energy

8. Some technologies are used for entertainment  television  CD player  video

9. Some technologies are both useful and funny  mobile phone  PC  car

10. Some modern technologies can also be dangerous  nuclear energy  cars  fertilizers

11. Which inventions are necessary

12. Literature:  Bérešová, Hosszúrová, Macková: Nová maturita z angličtiny