Central Idea DOL

What is the central idea of the following paragraph?

The sun is the center of our solar system. It is a giant ball of hot gas that gives us light and heat. Without the sun, life on Earth would not be possible.

• The sun is a small star in our solar system.

• The sun is made of solid rock and metal.

• The sun is located on the edge of our solar system.

• The sun is the center of our solar system and is essential for life on Earth.

Which sentence is the main idea of the following paragraph?

The rainforest is a complex ecosystem that is home to a wide variety of plants and animals. It plays a crucial role in maintaining the Earth's climate and provides numerous resources for humans. Some of these resources include building materials, food, and medicine.

• The rainforest is a complex ecosystem that is home to a wide variety of rocks and minerals.

• The rainforest is a complex ecosystem that has no impact on the Earth's climate.

• The rainforest is a complex ecosystem that provides resources for humans and maintains the Earth's climate.

• The rainforest is a simple ecosystem that is home to a wide variety of plants and animals.

What is the central idea of the following paragraph?

The invention of the printing press revolutionized the way information was shared. It allowed for the mass production of books, leading to increased literacy rates and the spread of knowledge.

• The invention of the printing press had no impact on the sharing of information.

• The invention of the printing press led to a decrease in literacy rates.

• The invention of the printing press only affected the production of books.

• The invention of the printing press revolutionized the way information was shared.

Which statement best represents the main idea of the following paragraph?

The water cycle is the continuous movement of water on, above, and below the Earth's surface. It involves processes such as evaporation, condensation, and precipitation, and is essential for the Earth's water supply.The water cycle will continue forever and always.

• The water cycle only occurs on the Earth's surface.

• The water cycle is essential for the Earth's water supply.

• The water cycle is responsible for the formation of clouds.

• The water cycle involves processes such as erosion and sedimentation.

What is the main idea of the following paragraph?

The human body is made up of many different systems that work together to keep us alive and healthy. These systems include the circulatory system, respiratory system, digestive system, and nervous system.

• The human body is made up of different systems that have no effect on our health.

• The human body is made up of different systems that work together to keep us alive and healthy.

• The human body is made up of different systems that work against each other.

• The human body is made up of one system that keeps us alive and healthy.

Which sentence best expresses the central idea of the following paragraph?

The Industrial Revolution was a period of major industrialization that transformed society and the economy. It led to the development of new technologies, factories, and urbanization.

• The Industrial Revolution transformed society and the economy through major industrialization, new technologies, factories, and urbanization.

• The Industrial Revolution led to the decline of new technologies, factories, and urbanization.

• The Industrial Revolution only affected the economy, not society.

• The Industrial Revolution had no impact on society and the economy.

What is the central idea of the following paragraph?

The process of photosynthesis is essential for the survival of plants and the production of oxygen. It involves the conversion of sunlight, carbon dioxide, and water into glucose and oxygen.

• The importance of photosynthesis for plant survival and oxygen production.

• The negative effects of photosynthesis on plant survival and oxygen production.

• The conversion of carbon dioxide and water into glucose and oxygen.

• The role of sunlight in the process of photosynthesis.

Which statement best represents the main idea of the following paragraph?

The Earth's crust is made up of several large and small tectonic plates. These plates constantly move and interact with each other, resulting in earthquakes, volcanic activity, and the formation of mountains.

• The Earth's crust is made up of several large and small tectonic plates.

• The Earth's crust is solid and does not move.

• Earthquakes and volcanic activity are caused by weather patterns.

• Mountains are formed by erosion and weathering.

What is the main idea of the following paragraph?

The American Revolution was a war fought by the American colonies against Great Britain. It resulted in the independence of the United States and the establishment of a new nation.

• The American Revolution resulted in the independence of the United States and the establishment of a new nation.

• The American Revolution was a peaceful negotiation between the American colonies and Great Britain.

• The American Revolution resulted in the annexation of the United States by Great Britain.

• The American Revolution was a war fought by the British colonies against Great Britain.

Which sentence summarizes the central idea of the following paragraph?

The process of photosynthesis is essential for the survival of plants and the production of oxygen. It involves the conversion of sunlight, carbon dioxide, and water into glucose and oxygen.

• Photosynthesis is not important for plant survival.

• Photosynthesis does not produce glucose and oxygen.

• The process of photosynthesis is essential for the survival of plants and the production of oxygen.

• Photosynthesis does not involve the conversion of sunlight, carbon dioxide, and water.