1. Invention of the ballpoint pen By Pizzas

2. Inventor of the ballpoint pen • László Bíró • he came from Hungarian and was born in Budapest on September 19th, 1899 • died on November 24th 1985 in Buenos Aires

3. How he did it • He developed a new tip consisting of a ball that was free to turn in a socket, and as it turned it would pick up ink from a cartridge and then roll to deposit it on paper

4. Pens founded through the years • Quill pen-founded in 700 AD • Reservoir pen-founded in 953 • Fountain pen-founded in 19 century • Ballpoint pen-founded in 1938 • Quill Reservoir Fountain Ballpoint

5. Ball point pens • Refillable-made of metal and plastic • Disposable-made of plastics • Simplest types-cap pens , made of metal or plastic (or both) • Others have a mechanism for retracting the tip, the mechanism is usually controlled by a button at the top and is powered by a spring within the body of the pen , but other possibilities include a pair of buttons , a screw , or a slide

6. Benefits of the ballpoint pen • Having the ball point pen is faster • The Quill needs to be dipped into ink(so those the reservoir and fountain pen) • The ballpoint pen can be used immediately after pushing the button and only has to be refilled when the ink cartridge is empty

7. Pictures of ball point pens

8. Quiz • No shouting • Raise up your hand • No “so unfair” mourning • Sit down

9. For Girls • Who was the inventor of the ball point pen? • 1)Adorjan • 2) Barto • 3)László

10. For Boys • When was the ballpoint pen founded? • 1)1899 • 2)1938 • 3)953

11. For All • Where was the inventor of the ballpoint pen born in? • 1)Singapore • 2)Hungary • 3)Japan

12. For the Teacher • What are disposable ballpoint pens made • 1)Metal • 2)Plastic • 3)Rubber

13. Thank You