ATI TEAS 7
physics
1. What property of a wave determines the loudness of sound when heard by the human ear?
- A. Frequency
- B. Amplitude
- C. Wavelength
- D. Velocity
Correct answer: b
Rationale: The amplitude of a sound wave correlates with its perceived loudness by the human ear.
2. The process of a gas changing into a liquid is called:
- A. Evaporation
- B. Boiling
- C. Condensation
- D. Sublimation
Correct answer: C
Rationale: Condensation happens when gas particles lose energy and slow down, transitioning into the liquid state.
3. Which of the following substances is a common base found in household products?
- A. Sodium chloride (NaCl)
- B. Ammonia (NH₃)
- C. Vinegar
- D. Lemon juice
Correct answer: b
Rationale: Ammonia is a common base found in household products. The other choices are acids.
4. A study finds a link between increased screen time and lower academic performance. What additional information would be most helpful in interpreting this finding?
- A. The average socioeconomic status of the study participants.
- B. The specific types of screen activities participants engaged in.
- C. Whether the students had access to healthy meals and snacks.
- D. The participants' ages and grade levels.
Correct answer: B
Rationale: Knowing the specific types of screen activities participants engaged in would provide crucial context for interpreting the link between increased screen time and lower academic performance. For example, if the majority of screen time was spent on educational apps or programs, the impact on academic performance may differ compared to if the screen time was mostly spent on social media or gaming. Understanding the nature of screen activities can help determine the potential mechanisms behind the observed relationship.
5. What literary device is used in the line "The sea whispered secrets to the shore"?
- A. Alliteration
- B. Personification
- C. Onomatopoeia
- D. Hyperbole
Correct answer: B
Rationale: The sentence gives human qualities to the sea, like whispering, creating personification.
6. Antiparticles possess properties opposite to their corresponding particles. Which of the following is the antiparticle of a neutron?
- A. Antineutrino
- B. Positron
- C. Antiproton
- D. Electron
Correct answer: A
Rationale: The correct answer is A: Antineutrino. Antiparticles possess properties that are opposite to their corresponding particles. A neutron is a neutral subatomic particle found in the nucleus of an atom. Its antiparticle, the antineutrino, has opposite properties, such as having no electric charge compared to the neutron's neutral charge. A positron (B) is the antiparticle of an electron, an antiproton (C) is the antiparticle of a proton, and an electron (D) is not an antiparticle. Therefore, the antiparticle of a neutron is the antineutrino.
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