8. Did he have help ? Yes, he had help from davy swan !
9. How much did it cost ? It did not have a practical price because it would cost way to much !
10. Thomas Edison married Mary Stilwell in 1871 and they had 3 children they where Marion, Thomas Jr. and William. In 1884 Mary Edison got sick and died at the age 29. Family
11. Thomas Edison was born feb,11,1847. Thomas Edison died in oct,18, 1931. Important dates !
12. Is the light bulb still used today ? YES !!! Thomas Edison did not fail he just found 10,000 ways the light bulb did not work !!!
13. Works Cited Gomez, Rebecca. Thomas Edison. Edina, MN: Abdo Pub., 2003. Print. Linder, Greg. Thomas Edison: a Photo-illustrated Biography. Mankato, MN: Bridgestone, 1999. Print. Nobleman, Marc Tyler. The Light Bulb. Mankato Minn.: Capstone, 2004. Print. Schaefer, Lola M. Thomas Edison. Mankato, MN: Pebble, 2003. Print.