ATI TEAS 7
Physics
1. A rocket engine expels hot gases backwards. What principle explains the rocket's forward motion?
- A. Newton's first law of motion
- B. Newton's second law of motion
- C. Newton's third law of motion
- D. Law of conservation of energy
Correct answer: C
Rationale: The hot gases expelled backwards exert a force on the rocket in the opposite direction (forward), propelling it upwards according to the action-reaction principle.
2. Which organ produces insulin?
- A. Pancreas
- B. Liver
- C. Stomach
- D. Kidneys
Correct answer: A
Rationale: Rationale: Insulin is a hormone that regulates blood sugar levels by facilitating the uptake of glucose into cells for energy production or storage. The pancreas is an organ located behind the stomach that plays a crucial role in producing insulin. Specialized cells within the pancreas, called beta cells, are responsible for synthesizing and secreting insulin in response to changes in blood glucose levels. Therefore, the pancreas is the organ that produces insulin.
3. What is the main point of the passage?
- A. Climate change is a myth and does not pose any significant threat to the planet.
- B. The negative consequences of climate change are inevitable and irreversible.
- C. Human actions are the primary cause of climate change, and global efforts are needed to address it.
- D. Technological advancements alone can provide quick and easy solutions to the climate crisis.
Correct answer: C
Rationale: The passage clearly identifies human activities as the cause of climate change and emphasizes the need for global action, aligning with C.
4. What principle explains the relationship between pressure, volume, and temperature for ideal gases?
- A. Law of conservation of energy
- B. Newton's laws of motion
- C. Ideal gas law
- D. Archimedes' principle
Correct answer: C
Rationale: The ideal gas law (PV = nRT) relates pressure, volume, and temperature for ideal gases at constant number of moles and temperature.
5. Which statement accurately describes the relationship between electron configuration and the periodic table?
- A. Elements within the same period have similar electron configurations.
- B. Elements within the same group have similar electron configurations in their outermost shell.
- C. Electron configuration has no influence on an element's position on the periodic table.
- D. The number of electron shells an element has determines its group on the periodic table.
Correct answer: B
Rationale: Elements within the same group have similar electron configurations in their outermost shell. This explains why elements in the same group often share similar chemical properties.
6. A car is accelerating down a hill. Which of the following forces is NOT acting on the car?
- A. Gravitational force
- B. Normal force from the road
- C. Air resistance
- D. The car's engine force
Correct answer: B
Rationale: Normal force from the road. The normal force acts perpendicular to the surface of contact and does not contribute to the acceleration down the hill.
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