Read the following information and answer the questions.

Alexander Graham Bell, inventor of the telephone

In the 1870s, two inventors Elisha Gray and Alexander Graham Bell both independently designed devices that could transmit speech electrically (the telephone). Both men rushed their respective designs to the patent office within hours of each other; Alexander Graham Bell patented his telephone first. Elisha Gray and Alexander Graham Bell entered into a famous legal battle over the invention of the telephone, which Bell won.

Douglas C. Engelbart, inventor of the computer mouse

In 1964, the first prototype computer mouse was made to use with a graphical user interface (GUI), 'windows'. Engelbart received a patent for the wooden shell with two metal wheels (computer mouse) in 1970. "It was nicknamed the mouse because the tail came out the end," Engelbart revealed about his invention.

Chester Greenwood, inventor of ear muffs

After wrapping his head in a scarf that was too bulky, Chester Greenwood made two ear-shaped loops from wire and asked his grandmother to sew fur on them. He patented an improved model with a steel band that held them in place and with Greenwood’s Champion Ear Protectors, he established the Greenwood’s Ear Protector Factory.

1. When was the telephone invented?

2. Who designed devices that could transmit speech electrically?

3. Who first patented the telephone?

4. Who was the inventor of the computer mouse?

5. How did the first prototype computer mouse look like?

6. What invention belongs to Chester Greenwood?

7. How did he invent Ear Protectors?

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For questions (1–6) choose the correct answer (A, B or C)	\|	How much do you know about inventions? Match the columns. Use some books or Internet.

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