ATI TEAS 7
TEAS Test 7 science quizlet
1. Rusting of iron is an example of
- A. Endothermic reaction
- B. Exothermic reaction
- C. Single displacement reaction
- D. Photochemical reaction
Correct answer: A
Rationale: The rusting of iron is an endothermic reaction. This means that it absorbs heat from its surroundings to occur. Rusting involves the slow oxidation of iron in the presence of oxygen and water. As energy is absorbed during this process, it is classified as an endothermic reaction. Choice B, an exothermic reaction, releases heat instead of absorbing it, which is not the case in rusting. Choices C and D are unrelated to the process of rusting and do not involve the absorption of heat from the surroundings.
2. What happens during a physical change in matter?
- A. A new substance with different properties is formed
- B. The chemical composition of the substance changes
- C. The original substance can be recovered by physical means
- D. Energy is either released or absorbed
Correct answer: C
Rationale: During a physical change in matter, the original substance undergoes a change in its physical state or appearance without any change in its chemical composition. This means that the original substance can be recovered by physical means, such as melting, freezing, boiling, or condensing. No new substance is formed (option A), the chemical composition remains the same (option B), and energy changes can occur but are not a defining characteristic of a physical change (option D). The ability to recover the original substance by physical means distinguishes physical changes from chemical changes.
3. Identify the relative clause in the sentence 'The book that won the award was a bestseller.'
- A. 'The book'
- B. 'that won the award'
- C. 'was a bestseller'
- D. 'award'
Correct answer: B
Rationale: The correct answer is 'B: 'that won the award.' A relative clause provides additional information about a noun in the sentence. In this case, 'that won the award' is the relative clause specifying which book out of all books is being referred to. It is essential to recognize and understand relative clauses for better comprehension of sentence structures. Choice A ('The book') is the main noun phrase and not a relative clause. Choice C ('was a bestseller') is the main clause of the sentence, not a relative clause. Choice D ('award') is a noun but not a relative clause as it does not provide additional information about a noun in the sentence.
4. During trips to the beach, he preferred to swim at the pool, and whenever he went hiking, he avoided touching any plants for fear that they might be poison ivy.
- A. Leave it where it is now.
- B. Move the sentence so that it comes before the preceding sentence.
- C. Move the sentence to the end of the first paragraph.
- D. Omit the sentence.
Correct answer: A
Rationale: The sentence is well-placed where it is, as it provides context to the narrative about the individual's preferences. Moving it before the preceding sentence or to the end of the first paragraph would disrupt the flow of information and may confuse the reader. Omitting the sentence would result in a gap in the story, leaving the reader questioning the individual's behavior without a clear explanation. Thus, leaving the sentence where it is now is the best choice for maintaining coherence in the narrative.
5. Which type of reaction typically undergoes condensation reactions?
- A. Catabolism
- B. Anabolism
- C. Exothermic
- D. Endothermic
Correct answer: B
Rationale: The correct answer is 'B: Anabolism.' Anabolic reactions typically involve condensation reactions, where smaller molecules are joined together to form larger molecules by releasing water as a byproduct. This process is fundamental in the synthesis of complex molecules such as proteins and nucleic acids. Choice A, 'Catabolism,' involves decomposition reactions where larger molecules are broken down into smaller ones, which is the opposite of condensation reactions. Choices C and D, 'Exothermic' and 'Endothermic,' refer to the heat exchange during a reaction and are not directly related to the process of condensation reactions.
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