ATI TEAS 7
Physics
1. A prism separates white light into its constituent spectral components because:
- A. It absorbs certain colors
- B. Different colors experience varying speeds within the prism
- C. It bends all colors with the same magnitude
- D. It reflects specific colors
Correct answer: B
Rationale: The correct answer is B because different colors experience varying speeds when passing through a prism due to their differing wavelengths. This causes them to refract at different angles, resulting in the separation of white light into its constituent spectral components. The phenomenon of dispersion occurs as a result of this wavelength-dependent refraction, allowing us to see the full spectrum of colors. Absorbing certain colors (option A) or reflecting specific colors (option D) would not explain how a prism separates white light. Additionally, if a prism were to bend all colors with the same magnitude (option C), it would not result in the distinct separation of colors that we observe.
2. Identify the direct object in the following sentence: "She baked a delicious cake for the party."
- A. for the party
- B. delicious
- C. cake
- D. baked
Correct answer: C
Rationale: The direct object receives the action of the verb.
3. The phrase "echo chambers" refers to
- A. Social media groups focused on discussing technical topics.
- B. Online communities where diverse viewpoints and opinions are encouraged.
- C. Environments where individuals are primarily exposed to information that reaffirms their existing beliefs.
- D. Online platforms specifically designed for spreading misinformation.
Correct answer: C
Rationale: Echo chambers occur when individuals primarily encounter information that confirms their existing biases, potentially limiting their exposure to alternative perspectives.
4. What is the scientific term for the windpipe, a tube that carries air from the larynx to the bronchi?
- A. Pharynx
- B. Trachea
- C. Epiglottis
- D. Bronchiole
Correct answer: B
Rationale: The correct answer is B: Trachea. The trachea is the scientific term for the windpipe, which is a tube that carries air from the larynx to the bronchi. The pharynx is the throat area where the mouth and nasal passages meet. The epiglottis is a flap of tissue that covers the trachea during swallowing to prevent food from entering the airway. Bronchioles are smaller airway branches in the lungs. Therefore, the trachea best fits the description of a tube carrying air from the larynx to the bronchi.
5. Which of the following is the best approach to resolving conflicting scientific findings?
- A. Dismiss one set of findings as wrong without further investigation.
- B. Conduct additional research to identify potential sources of discrepancies.
- C. Accept the findings from the more prestigious research institution.
- D. Rely on media interpretations and public opinion to settle the debate.
Correct answer: B
Rationale: When faced with conflicting scientific findings, the best approach is to conduct additional research to identify potential sources of discrepancies. This allows for a more thorough understanding of the topic and helps in resolving the conflicting findings through a scientific and evidence-based approach. Dismissing findings without further investigation, relying on prestige, or turning to media interpretations and public opinion can lead to misunderstandings and hinder scientific progress. Conducting additional research promotes a more comprehensive and accurate understanding of the subject matter.
6. When ice melts, it undergoes a…
- A. Chemical change
- B. Physical change
- C. Nuclear change
- D. Radioactive decay
Correct answer: B
Rationale: Melting is a change in physical state, not a change in the chemical composition of the ice.
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