SOCIAL STUDIES LAST CUA

Which event occurred after the IBM Simon smartphone was developed?

• The Motorola mobile phone was introduced.

• The first rotary dial telephones were installed.

• The first phone with internet access was created.

• The telegraph was first demonstrated.

Which event occurred about a century before the Motorola mobile phone was introduced?

• The first phone with internet access was created.

• The first telephone message was received.

• The first text message was sent.

• The iPhone was introduced.

What impact did Bill Gates' work have on communities?

• Personal computers became easier to use.

• Electric cars became available to the public.

• People learned new languages for free.

• Security systems made homes safer.

Read the passage:

Polio is a terrible virus. Jonas Salk found a way to keep people from getting sick from the disease. He created a vaccine for the virus. The vaccine keeps people healthy.

What is the meaning of the word, "vaccine."

• A doctor who fights infections and diseases

• a disease that attacks the nervous system

• a medical process that cures a disease

• an injection that helps prevent a disease

Which sentence best states the importance of scientific studies?

• Edward Jenner made important observations about cowpox.

• Pasteurization is the only important scientific breakthrough.

• Scientific breakthroughs have positive effects on society.

• Medical scientists are curious about the body and disease.

The main purpose of a timeline is to _____.

• tell how many days are in a month.

• put events in chronological order.

• represent every future event.

• create inquiry problems.

Read the passage:

Over time, communities have faced many problems. Inventive individuals studied the problem and worked to solve them. Without their work, our communities would be very different.

Which idea is supported by the text?

• Technological inventions help solve problems.

• Microsoft solved all of the community's problems.

• Individuals pay others to solve their problems.

• Humans have always faced the same problems.

Which sentence best completes the diagram?

• Susmita Bose invented a coating for metal implants.

• Domingo Liotta invented a mechanical heart.

• Gladys West invented a computer program.

• Jonas Salk invented vaccines to prevent illness.

Why might some people believe that primary sources are more trustworthy than secondary sources?

• Textbooks and biographies use secondary sources.

• Historians rely on both primary and secondary sources.

• Primary sources are always true and correct.

• Primary sources are created by people who experienced events.

Why are diaries primary sources?

• They contain personal information and secret.

• People write what they see and experienced in them.

• People use them to describe events with many details.

• Diaries are the first written records known.