Midterm Review: Physical Science Concepts

Which of the following best describes the term "technology"?

• A representation of an object, system, or idea.

• The application of scientific knowledge for practical purposes.

• A well-substantiated explanation of some aspect of the natural world.

• The degree of exactness or refinement of a measurement.

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DOK Level 2: Skill/Concept

What is the primary purpose of a scientific model?

• To provide a well-substantiated explanation of the natural world.

• To simplify complex concepts or make predictions.

• To measure the closeness of a measurement to the true value.

• To apply scientific knowledge for practical purposes.

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DOK Level 2: Skill/Concept

Which of the following statements is true about a scientific theory?

• It is a representation of an object, system, or idea.

• It is often supported by multiple lines of evidence.

• It is the degree of exactness or refinement of a measurement.

• It is the application of scientific knowledge for practical purposes.

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DOK Level 2: Skill/Concept

How does precision differ from accuracy in scientific measurements?

• Precision refers to the closeness of a measurement to the true value.

• Precision is the application of scientific knowledge for practical purposes.

• Precision is the degree of exactness or refinement of a measurement.

• Precision is a well-substantiated explanation of some aspect of the natural world.

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DOK Level 2: Skill/Concept

Which of the following best describes accuracy in scientific terms?

• The application of scientific knowledge for practical purposes.

• The closeness of a measurement to the true value.

• A representation of an object, system, or idea.

• A well-substantiated explanation of some aspect of the natural world.

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DOK Level 2: Skill/Concept

In what way is a model useful in scientific studies?

• It provides a well-substantiated explanation of the natural world.

• It helps in making predictions and understanding complex systems.

• It measures the degree of exactness or refinement of a measurement.

• It applies scientific knowledge for practical purposes.

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DOK Level 2: Skill/Concept

Which of the following is an example of technology?

• A theory explaining gravity.

• A smartphone used for communication.

• A model of the solar system.

• A precise measurement of temperature.

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DOK Level 2: Skill/Concept

What is the role of evidence in forming a scientific theory?

• Evidence is used to create models for predictions.

• Evidence supports the reliability and validity of a theory.

• Evidence measures the degree of exactness in a theory.

• Evidence applies scientific knowledge for practical purposes.

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DOK Level 2: Skill/Concept

How can a model be beneficial in understanding scientific concepts?

• It provides a practical application of scientific knowledge.

• It offers a simplified representation to aid comprehension.

• It measures the closeness of a measurement to the true value.

• It is a well-substantiated explanation of the natural world.

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DOK Level 2: Skill/Concept

Which of the following is a characteristic of a scientific theory?

• It is a representation of an object, system, or idea.

• It is based on a body of evidence and is highly reliable.

• It is the degree of exactness or refinement of a measurement.

• It is the application of scientific knowledge for practical purposes.

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DOK Level 2: Skill/Concept