Central Idea Chapter 2 page 105

1.What is a central idea?

• A. the idea stated in the topic sentence

• B. the theme of a piece of literature

• C. a piece of informational text is mainly about someone

• D. the main idea of a piece of informational text

What statement (s) is/are true about a central idea?

• A. It can sometimes be found in the title of the text.

• B. It is supported by the details in the text.

• C. It covers the whole text.

• D. All of the choices.

3.When determine the central idea of a text, it is important not to confuse it with:

• A. the topic

• B. The details

• C. None of the answers

• D. both A and B are correct

4.What is the central idea of this passage?

• A. The Montgolfier brothers were papermakers who became famous.

• B. The Montgolfier brothers theorized that hot air can be used to propel a balloon into the air.

• C. The Montgolfier brothers lost their jobs as papermakers because they were obsessed with their balloon.

• The Montgolfier brothers liked to experiement.

Answer explanation

The brothers theorized that hot air would make a balloon rise and conducted an experiment to prove their theory.

5.What is the central idea of this passage?

• A. The movie, Happy Feet was inspired by Emperor Penguins.

• B. The male Emperor Penguin sits on the egg while the mother hunts for food.

• C. Female Emperor penguins lay their eggs in the Antarctic and both male and female take turns caring for the egg until it hatches.

• D. Emperor Penguins live over 50 years.

Answer explanation

Emperor penguins lay their eggs in the Antarctic and take turns caring for the egg until it hatches.

6.What is the central idea of this passage?

• A. the study of the origin of archaeology

• B. the study of archaeology

• C. the study of modern archaeology and anthropology

• D. the study of the human past.

Answer explanation

The central idea of this piece of informational text is the study of archaeology.

7. 7.What does the passage suggest about archaeologists?

• A. They study past human life and culture by examining materials left by early humans.

• B. They study humans and their interaction with their surroundings.

• C. They study humans and their families by looking at the things they left behind.

• D. They study art history.

Answer explanation

Archaeologists study past human life and culture by examining the things left behind by early humans.

8.What is the central idea of the passage?

• A. the health benefits of quinoa

• B. how to cook quinoa

• C. why people should eat quinoa

• D. why people should cook quinoa

Answer explanation

The passage is mainly about the health benefits of quinoa.

9.What is the central idea of this passage?

• A. the health benefits of quinoa

• B. how to cook quinoa

• C. quinoa as a meat replacement

• D. none on the answers

Answer explanation

This passage is about cooking quinoa.

10.What is the central idea of the above passage?

• A. Mammoth fossils have been found in Silicone Valley.

• B. Fossils are in California.

• C. Mammoths roamed North America.

• D. Mammoths are roaming the Silicone Valley in California

Answer explanation

The central idea of the text is located in the first sentence. Mammoth fossils have been found in the Silicone Valley which means they roamed the area.