ATI TEAS 7
TEAS 7 science quizlet
1. When water boils, it changes from a liquid to a gas. This is an example of a:
- A. Chemical reaction
- B. Physical change
- C. Nuclear reaction
- D. Biological process
Correct answer: B
Rationale: This is a physical change because boiling water involves a change in state from liquid to gas without altering the chemical composition of the water molecules. In a chemical reaction, new substances are formed by breaking and forming chemical bonds, which is not the case during boiling. A nuclear reaction involves changes in atomic nuclei, which are not occurring during boiling. A biological process refers to activities related to living organisms, which is not applicable to the change from liquid to gas in boiling water.
2. Which of the following words is an example of a conjunction?
- A. Quickly
- B. But
- C. Very
- D. Apple
Correct answer: B
Rationale: The correct answer is "But". A conjunction is a word that connects words, phrases, or clauses. In this case, "But" is a conjunction used to indicate a contrast or opposition between ideas. The other choices, "Quickly", "Very", and "Apple", are not conjunctions. "Quickly" is an adverb, "Very" is an adverb, and "Apple" is a noun, none of which serve the function of connecting words, phrases, or clauses as conjunctions do.
3. What must you always use in all math?
- A. PEMDAS
- B. Variables
- C. Conversion factors
- D. Estimation
Correct answer: A
Rationale: The correct answer is A: PEMDAS. PEMDAS stands for the order of operations: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right). It is a fundamental rule to follow in mathematics to ensure calculations are done correctly. Choices B, C, and D are incorrect as they do not encompass the essential rule that PEMDAS provides for solving mathematical expressions.
4. What is a secondary argument the author makes?
- A. Devices such as the iPad or Kindle are better than books because they have multiple uses.
- B. Books are still important to have while waiting for an appointment or taking a flight.
- C. Printed encyclopedias are still used and more convenient than using the Internet.
- D. With technology, there will soon be no need for stories.
Correct answer: A
Rationale: The secondary argument made by the author is that devices such as the iPad and Kindle are superior to printed books because they offer multiple functions beyond just reading. The author mentions that these devices have qualities similar to a computer and can be used for much more than just reading, making them a more versatile option compared to traditional books. Choice B is incorrect because the author does not emphasize the importance of books for specific situations like waiting for appointments or flights. Choice C is incorrect as the author does not compare printed encyclopedias to the Internet. Choice D is incorrect as the author does not suggest that technology will eliminate the need for stories; instead, they focus on the transition from printed books to electronic devices for reading.
5. Which of the following sentences best represents style and clarity of expression?
- A. Without adequate preparation, the test was likely to be a failure for Zara.
- B. The test was likely to be a failure for Zara without adequate preparation.
- C. Without adequate preparation, Zara expected to fail the test.
- D. Zara expected to fail the test without adequate preparation.
Correct answer: C
Rationale: Choice C, 'Without adequate preparation, Zara expected to fail the test,' is the best option as it maintains clarity and conciseness. The subject 'Zara' is directly linked to the action 'expected to fail the test' with the cause 'Without adequate preparation' clearly stated at the beginning. This structure enhances the flow of the sentence and makes it easier to understand. Choices A, B, and D are less clear as they place the cause and effect in less optimal positions, resulting in a less effective and concise expression of the idea.
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