ATI TEAS 7
Practice TEAS Science Test
1. What is the best tool to measure the volume of a solid?
- A. Triple beam balance
- B. Measuring wheel and mathematical formula
- C. Graduated cylinder
- D. Measuring wheel
Correct answer: C
Rationale: A graduated cylinder is the most suitable tool to measure the volume of both liquids and solids. It works by measuring the displacement of water when the solid is submerged in the graduated cylinder. Choice A, the triple beam balance, is used to measure mass, not volume. Choice B, using a measuring wheel and mathematical formula, is typically used to measure distance or area, not volume. Choice D, a measuring wheel, is used to measure distance, making it inappropriate for measuring the volume of a solid.
2. What is 0.4 expressed in inches?
- A. 0.04 inches
- B. 4 inches
- C. 0.4 inches
- D. 40 inches
Correct answer: C
Rationale: To express 0.4 in inches, you don't need to convert it further as it is already in inches. Therefore, the correct answer is 0.4 inches. Choice A (0.04 inches) is incorrect as it represents a smaller quantity. Choice B (4 inches) and Choice D (40 inches) are incorrect as they represent larger quantities, which are not equivalent to 0.4 inches.
3. What property of a substance remains constant regardless of the amount of the substance present?
- A. Mass
- B. Weight
- C. Density
- D. Volume
Correct answer: C
Rationale: The correct answer is C, Density. Density is a physical property of a substance that remains constant regardless of the amount of the substance present. Mass (Choice A) is the amount of matter in an object and can change depending on the amount of the substance. Weight (Choice B) is the force exerted on an object due to gravity and can vary with location. Volume (Choice D) is the amount of space occupied by a substance and can change if the amount of the substance changes.
4. What kind of error is present in the following sentence? 'This summer, I'm planning to travel to Italy, take a Mediterranean cruise, going to Pompeii, and eat a lot of Italian food.'
- A. Parallelism
- B. Sentence fragment
- C. Misplaced modifier
- D. Subject-verb agreement
Correct answer: A
Rationale: The sentence lacks parallel structure. The list of actions in the sentence should be presented in the same grammatical form. 'Travel to Italy,' 'take a Mediterranean cruise,' and 'go to Pompeii' should all be in the same form. To correct this, the sentence should be revised to: 'travel to Italy, take a Mediterranean cruise, visit Pompeii, and eat a lot of Italian food.' Choices B, C, and D are incorrect. The sentence is a complete sentence, not a fragment. There are no misplaced modifiers, and subject-verb agreement is not the issue in this sentence.
5. Which of the following best describes the data set below? 1, 1, 2, 2, 2, 2, 3, 3, 7, 7, 8, 8, 8, 8, 9, 9
- A. Uniform
- B. Right-skewed
- C. Bimodal
- D. Left-skewed
Correct answer: C
Rationale: The correct answer is C: Bimodal. A bimodal distribution has two distinct peaks or modes. In this data set, the numbers 2 and 8 appear more frequently than other numbers, creating two modes (2 and 8). Choices A, B, and D are incorrect. Option A, 'Uniform,' describes a distribution where all values have equal frequency, which is not the case in this data set. Options B and D, 'Right-skewed' and 'Left-skewed,' refer to distributions where the data is skewed towards one side, which is not observed in this dataset. Therefore, the data set is best described as bimodal.
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