Great inventions презентация
Содержание
- 2. Anything new or different in the world made by people is
- 3. Inventions are created to help make life easier and better.
- 4. Other inventions are made to solve problems.
- 5. Many inventions keep people safe.
- 6. Improvements! Inventions can be changed to make them better! Changing
- 7. Refrigerator The refrigerator was invented to help keep food from spoiling
- 8. Airplane Wilbur and Orville Wright spent many years building balloons and
- 9. The Flyer The first flight took place on December 17, 1903
- 10. The First Car
- 11. New Cars Cars have gotten faster over the years. They
- 12. Telephone Alexander Graham Bell designed the telephone in 1876. He
- 13. Improving the telephone! Over the years, inventors have tried to make
- 14. Vacuum Cleaner Many people created several designs for the vacuum cleaner.
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