ATI TEAS 7
physics
1. Which property of a substance describes its ability to conduct heat or electricity?
- A. Reactivity
- B. Conductivity
- C. Density
- D. Viscosity
Correct answer: b
Rationale: Conductivity refers to a substance's ability to conduct heat or electricity
2. Which element makes up the majority of the Earth's atmosphere?
- A. Nitrogen
- B. Oxygen
- C. Carbon dioxide
- D. Argon
Correct answer: A
Rationale: Nitrogen is the most abundant gas in the Earth's atmosphere, crucial for plant life and maintaining the planet's temperature balance.
3. Which sentence uses the gerund (-ing) form correctly?
- A. My favorite activity is playing tennis.
- B. He enjoys to travel to new places.
- C. Reading a good book is relaxing.
- D. Writing is her passion.
Correct answer: A
Rationale: Option A uses the gerund as the direct object of "is," while the other options lack a clear function for the -ing form.
4. What happens to the potential energy of an object when it is lifted higher above the ground?
- A. Potential energy decreases
- B. Potential energy remains the same
- C. Potential energy increases
- D. Potential energy becomes zero
Correct answer: C
Rationale: When an object is lifted higher above the ground, its potential energy increases because the higher the object is lifted, the greater its potential energy due to the increased distance from the ground. This is in accordance with the formula for gravitational potential energy, which is PE = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height above the reference point.
5. Which of the following is a redox reaction?
- A. 2H2 + O2 → 2H2O
- B. Zn + 2HCl → ZnCl2 + H2
- C. 2NaCl → 2Na + Cl2
- D. CH4 + 2O2 → CO2 + 2H2O
Correct answer: b
Rationale: The oxidation state of Zn changes from 0 to +2, indicating a redox reaction.
6. Where does cellular respiration, the process of converting chemical energy into ATP, take place in eukaryotic cells?
- A. Nucleus
- B. Ribosomes
- C. Mitochondria
- D. Golgi apparatus
Correct answer: C
Rationale: Rationale: Cellular respiration, the process of converting chemical energy into ATP, takes place in the mitochondria of eukaryotic cells. The mitochondria are known as the powerhouse of the cell because they are responsible for generating most of the cell's ATP through the process of cellular respiration. This process involves the breakdown of glucose and other organic molecules to produce ATP, which is the primary energy currency of the cell. The other organelles listed in the options (nucleus, ribosomes, and Golgi apparatus) do not play a direct role in cellular respiration.
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