what property of matter refers to the amount of space occupied by an object and is measured in cubic units
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ATI TEAS 7

ati teas 7 science

1. Which property of matter refers to the amount of space occupied by an object and is measured in cubic units?

Correct answer: D

Rationale: Volume is the property of matter that refers to the amount of space occupied by an object. It is measured in cubic units, such as cubic meters or cubic centimeters. Mass, on the other hand, is the amount of matter in an object, weight is the force of gravity acting on an object, and density is the mass per unit volume of a substance. In this question, the key concept is the space occupied by an object, which directly relates to volume, making it the correct answer. Choices A, B, and C are incorrect as they do not specifically pertain to the amount of space occupied by an object.

2. What happens to the force of gravity between two objects when the distance between them is doubled?

Correct answer: D

Rationale: According to the law of universal gravitation, the force of gravity between two objects is inversely proportional to the square of the distance between them. When the distance is doubled, the force decreases by a factor of 2 squared, which is 4. Therefore, the force decreases by a factor of 4. Choice A is incorrect because the force doesn't increase when the distance is doubled. Choice B is incorrect as the force doesn't increase but actually decreases. Choice C is incorrect as the force decreases by a factor of 4, not 2.

3. Express as an improper fraction: 8 3/7

Correct answer: D

Rationale: To convert the mixed number 8 3/7 to an improper fraction, multiply the whole number (8) by the denominator (7) and add the numerator (3) to get the numerator of the improper fraction. This gives us (8*7 + 3) / 7 = 59/7. Therefore, the correct answer is 59/7. Choice A (11/7), choice B (21/8), and choice C (5/3) are incorrect because they do not correctly convert the mixed number to an improper fraction.

4. What is the author's point of view?

Correct answer: C

Rationale: The correct answer is C, 'Third person omniscient.' The passage is written from a third person omniscient perspective, where the narrator knows the thoughts of multiple characters. This is evident as the narrator describes the thoughts and actions of various characters, such as the emperor, the treasurer, and the principal secretary. The narrator's knowledge extends beyond the main character, Gulliver, providing insights into the perspectives of others. Therefore, choices A, B, and D are incorrect. Choice A, 'First person,' would imply that the narrator is a character within the story, which is not the case here. Choice B, 'Third person limited,' would restrict the narrator's knowledge to only one character's thoughts and feelings, which is not the situation in this passage. Choice D, 'Objective,' would indicate a neutral and unbiased narration without delving into characters' thoughts, which is not the perspective used in this excerpt.

5. What is the function of the pleurae?

Correct answer: A

Rationale: The pleurae play a crucial role in compartmentalizing and lubricating the lungs. The pleura is a double-layered membrane that surrounds the lungs and lines the chest cavity. This double-layered structure reduces friction between the lungs and the chest wall during breathing movements, allowing smooth expansion and contraction of the lungs. Options B, C, and D are incorrect. Option B, 'To facilitate the flow of air,' is incorrect because while the pleurae are involved in the respiratory process, their primary function is not to directly facilitate the flow of air. Option C, 'To produce mucus,' is incorrect as the production of mucus is not a primary function of the pleurae. Option D, 'To serve as the passageway for air,' is incorrect as the passageway for air refers to the air passages like the trachea and bronchi, not the pleurae. Therefore, option A is correct as it accurately describes the function of the pleurae.

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