he shimmering image of water seen on a hot road is a well known example of
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ATI TEAS 7

TEAS Test 7 science quizlet

1. The shimmering image of water seen on a hot road is a well-known example of:

Correct answer: B

Rationale: The shimmering image of water seen on a hot road is a result of refraction, not reflection. Refraction is the bending of light as it passes from one medium to another of different optical density. In this case, the hot air just above the road has a different density than the cooler air above it, causing light to bend and create the illusion of water on the road. Refraction is the most suitable explanation for this phenomenon, as it involves the bending of light rays due to the change in the medium's optical density, producing the visual effect observed on the hot road. Reflection, interference, and polarization do not involve the bending of light due to changes in optical density and are not applicable to the scenario described on the hot road.

2. What is the main function of transition words and phrases in writing?

Correct answer: C

Rationale: The main function of transition words and phrases in writing is to connect ideas smoothly and guide the reader's flow. They serve to establish logical relationships between different parts of the text, ensuring coherence and facilitating a clear progression of thoughts. Choice A is incorrect as transition words are meant to enhance clarity and coherence, not add unnecessary embellishments. Choice B is incorrect because while transition words can provide emphasis, their primary role is in facilitating the flow of ideas. Choice D is also incorrect as introducing opposing viewpoints and counterarguments is typically done through different means such as specific phrases or signal words.

3. Which of the following is NOT a factor affecting the rate of a chemical reaction?

Correct answer: D

Rationale: The color of the reaction mixture is not a factor affecting the rate of a chemical reaction. Factors such as the concentration of reactants, temperature, and the presence of a catalyst can influence the rate of a chemical reaction by affecting the frequency of collisions between reactant molecules and the energy of those collisions. The color of the reaction mixture is a physical property and does not directly impact the kinetics or speed of the reaction process. It is a qualitative observation that does not alter the reaction rate or mechanisms involved.

4. Which organ in the human body is the largest and is responsible for detoxification, metabolism, and storage of nutrients?

Correct answer: B

Rationale: The liver is the largest internal organ in the human body and is responsible for detoxification, metabolism, storage of nutrients, and various other essential functions. It plays a critical role in maintaining overall health by processing nutrients, filtering blood, and detoxifying harmful substances. While the skin is the largest organ by surface area, the liver is the largest internal organ and is crucial for various physiological processes. The heart is responsible for pumping blood, the lungs for respiration, and the skin for protection and temperature regulation, but they do not perform the functions specified in the question.

5. How do you find the radius of a circle when given the diameter? How do you find the radius of a circle when given the circumference?

Correct answer: A

Rationale: The correct way to find the radius of a circle when given the diameter is by dividing the diameter by 2 to get the radius (Radius = Diameter ÷ 2). When given the circumference, you need to divide the circumference by 2π to find the radius (Radius = Circumference ÷ 2π). Choice A provides the accurate formulas for finding the radius in both scenarios. Choices B, C, and D present incorrect formulas that do not align with the correct calculations for determining the radius of a circle based on the given information.

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