Unit 5 Quiz Review

The following item has two parts. Answer Part A and then answer Part B.

Part A

What was the main problem with the first electric light bulb?

• It often ran out of gas.

• It could only be used outside.

• Its filament did not last long.

• It could not replace streetlamps.

Part B

What was the solution to the problem in Part A?

• Lamplighters refilled the gas as needed.

• Linesmen hung power lines in rural areas.

• The government stepped in to provide help.

• Thomas Edison invented a practical light bulb.

Place these details in chronological order to create a summary of “Lighting the Way.”

A. Eventually, electric power spread out of cities and into rural areas, providing electricity in the country as well.

B. Before electric light was widely available, gas streetlamps were the main sources of light used by major cities to light city streets.

C. Over time, multiple inventors created and improved ways of providing effective electrical lighting.

D. Power plants and power lines were built to provide electric power to large urban areas.

According to the time line, what happened after Edison patented thelight bulb?

• Swan created the first electric light bulb.

• The city of Los Angeles got electric lights.

• Davy invented the first electric lamp.

• The first gaslight was used.

Read this sentence from paragraph 6.

“The first night these lights went on must have been quite a spectacle.”

What does the Latin root of the word spectacle mean?

• build

• come

• make

• see

Read this sentence from paragraph 3.

“Cutting down trees for fuel can be destructive, too.”

What is the meaning of the Latin root in the word destructive?

• build

• read

• watch

• come

Reread paragraph 3. Identify two environmental problems often caused by people gathering their own fuel. Underline the sentences you choose.

• "Cutting down trees for fuel can be destructive, too."

• "Firewood then becomes even more scarce and costly."

• "Losing forests often means losing the plants and animals the people depend on for food."

• "It can also cause soil erosion, which makes farming difficult."

Which detail from the passage explains the solution to the problem of solar cookers wearing out?

• “This device uses the sun’s rays to heat a special oven.”

• “The cookers take four days to build and last about twenty years.”

• “But Chivay residents know how to make new ones.”

• “And with the money they have saved on cooking fuel, they can affordthe materials to build them.”

What is the meaning of the word residents as it is used in paragraph 6?

• things used for cooking

• houses built of wood

• children who go to school

• people who live in a place

What does the word apparatus mean as it is used in paragraph 6?

• device designed for a particular purpose

• technical solution to a certain problem

• machine made up of many parts

• new and useful invention