Invention of the bulb

Who was Tomas Edison? (Quién fue)

• He was an inventor (inventor)

• He was an artist (artista)

• He was a bad man (Hombre malo)

What did Tomas Edison invented? (Qué inventó?)

• He invented the light bulb (La bombilla)

• He invented the computer (El computador)

• He invented the cellphone (El celular)

• He invented the shoes (Los zapatos)

What was the video about? (De qué era el video?)

• The invention of electricity (La invención de la electricidad)

• The invention of the life (La invención de la vida)

• The invention og the light bulb (La invención de la bombilla)

• Tomas Edison

What problem had Tomas Edison with his invention? (Qué problema tuvo con su invento?)

• The cold of the object (El frío del objeto)

• The heat inside the object (El calor dentro del objeto)

• The bulb did not work good (La bombilla no trabajaba bien)

• The glass of it (El vidrio de la bombilla)

What material was perfect for the light bulb? (Qué material fue bueno para la bombilla?)

• The metal

• The gold (oro)

• The carbon filament (El de carbono)

• The platinium (El de platino)

Was the idea of the light bulb original of Tomas Edison? (La idea fue orginal?)

• Yes

• No

What we used before the light bulb? (Qué usabamos antes de la bombilla?)

• Led lights (Luces led)

• Christmas lights (Luces de navidad)

• Candles (Velas)

Were the candles dangerous? (Las velas eran peligrosas?)

• Yes

• No