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Links in Technical objects

Links in Technical objects. A link is a fastening unit that attaches two parts of an object together Different types of links have different characteristics. Removable : the parts can be taken apart without causing damage to the object

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Links in Technical objects

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  1. Links in Technical objects • A link is a fastening unit that attaches two parts of an object together • Different types of links have different characteristics

  2. Removable: the parts can be taken apart without causing damage to the object Non-removable: taking the linked parts apart will damage the object (aka “permanent” link)

  3. Direct: the parts “fit together” without a fastener, like puzzle pieces or Lego blocks • Indirect: the parts need something to hold them together (like glue, a screw, a rivet…)

  4. Complete: no movement between the linked parts • Partial: there can be movement between the linked parts

  5. Rigid: there is no bending between the linked parts • Flexible: one of the linked parts can bend without breaking the object

  6. Types of Links and Guiding Controls • Open your workbook to page 18-19. Complete the tables referring to textbook pages 392-394. Remember to describe the characteristics in your own words.

  7. What is Energy? ? https://www.youtube.com/watch?v=MpKZuhilzR4

  8. Class work • Refer to pages 396 and 397 in your text book. Complete pages 20-21 in your workbook.

  9. Explain how the energy is transformed in each example shown: 1. Wind turbines

  10. 2. Electric mixer

  11. 3. Car motor

  12. 4. Light bulb

  13. 5. Eating food

  14. 6. Solar panel

  15. 7. Radio

  16. 8. Roller coaster

  17. 9. Elastic

  18. Energy Transformations • https://www.youtube.com/watch?v=i6e-KrNCe_E • Energy cannot be created or be destroyed. It can only change forms. Energy transformations can occur naturally in our world, or take place in technological systems that we build. • Refer to p. 398-400 in your textbook and complete page 22 in your workbook.

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