Central Idea Mastery

After reading a passage about the importance of bees in pollination, which of the following best represents the central idea?

• Bees are one of the many insects found in nature.

• Without bees, pollination would be less efficient, affecting food production.

• Bees produce honey which is used by humans for various purposes.

• The life cycle of a bee is complex and fascinating.

Tags

CCSS.RI.8.2

Which of the following pieces of evidence would best support the central idea that "Regular exercise contributes significantly to overall health"?

• Many people find it hard to include exercise in their busy schedules.

• Exercise can lead to improved cardiovascular health and increased stamina.

• Professional athletes exercise on a daily basis to perform well.

• Some individuals prefer alternative methods like dieting to stay healthy.

Tags

CCSS.RI.8.1

CCSS.RI.8.2

CCSS.W.8.1B

In a story about a community garden, the development of the central idea that "Community gardens foster social bonds" is best shown through which of the following?

• Descriptions of the different types of plants grown in the garden.

• The garden's changing appearance through the seasons.

• Narratives of neighbors meeting and working together in the garden.

• Statistical data on the amount of produce harvested from the garden.

Tags

CCSS.RL.8.2

When comparing the central ideas of two articles, one about the benefits of solar energy and the other about the advantages of wind energy, which of the following is a key factor to consider?

• The cost of solar panels and wind turbines.

• The environmental impact of both energy sources.

• The history of energy use in various cultures.

• The technological advancements in energy storage.

Tags

CCSS.RI.8.2

CCSS.RI.8.3

A speech about the importance of literacy begins and ends with personal anecdotes about learning to read. This technique primarily serves to:

• Provide a detailed history of literacy.

• Emphasize the central idea through a relatable story.

• Offer statistical evidence about literacy rates.

• Compare literacy to other educational goals.

Tags

CCSS.RI.8.2

Which of the following statements would be an effective piece of evidence to support the central idea that "Technology has a significant impact on communication"?

• Many people use smartphones and social media to stay in touch.

• Some individuals believe that technology can be overwhelming.

• In the past, people communicated without the use of modern technology.

• There are various types of technology available in the market.

Tags

CCSS.RI.8.1

CCSS.RI.8.2

CCSS.RI.8.8

In a documentary about the ocean, the central idea focuses on the ocean's role in global climate regulation. Which of the following would best analyze the development of this central idea?

• A segment on the variety of marine life in the ocean.

• An explanation of how ocean currents affect weather patterns.

• A discussion on the recreational activities people enjoy at the ocean.

• Information about the depth and size of different oceans.

Tags

CCSS.RI.8.2

When comparing the central ideas of a text about the benefits of urban living to a text about the advantages of rural living, it is important to look at:

• The personal preferences of the authors.

• The economic impact on the country as a whole.

• The specific benefits and challenges highlighted in each text.

• The population density statistics of urban and rural areas.

Tags

CCSS.RI.8.2

CCSS.RI.8.3

A book about the history of the internet might include various details and events. Which of the following would best support the central idea that "The internet has revolutionized global communication"?

• Biographies of key figures in the development of the internet.

• Technical explanations of how internet protocols work.

• Examples of how the internet has connected people across the world.

• A timeline of the internet's development from inception to present day.

Tags

CCSS.RI.8.2

In an essay about the importance of preserving natural forests, which of the following would best help to analyze the development of the central idea throughout the essay?

• Descriptions of various tree species found in forests.

• Arguments about the economic benefits of logging.

• The author's use of persuasive language and emotional appeals.

• Data on the increase of urban development in forested areas.

Tags

CCSS.RI.8.2