12. Byrd has a mug of coffee at a temperature of 93°C. He sets the mug on a counter in a room with an air temperature of 25°C. What is most likely to happen to the temperature of the coffee? Type Answer HERE: a. The hot coffee will transfer thermal energy into the air, and the energy transfer will continue until the coffee is at room temperature. b. The air will transfer thermal energy into the coffee, and the energy transfer will continue until the coffee is at room temperature. c. The hot coffee will transfer thermal energy into the air and will continue to transfer energy until they are both 93°C d. The air will transfer thermal energy into the coffee and will continue to transfer energy until they are both 93°C.
b. The air will transfer thermal energy into the coffee, and the energy transfer will continue until the coffee is at room temperature.
READING & EVIDENCE IN SCIENCE
Instructions: Read the following and then answer the questions, using evidence from the text. Make sure answers use your own words.
Title: Investigating Heat Transfer: Comparing the Insulating Properties of Different Materials
Introduction: Heat transfer is an essential concept in understanding how energy moves from one object to another. In this investigation, we focused on exploring the insulating properties of different materials. Understanding which materials con effectively reduce heat transfer is crucial in various real-world applications, such as building construction and energy conservation. This experiment aims to compare the effectiveness of different materials in minimizing heat transfer through conduction.Methods: To examine the insulating properties of various materials, we set up a simple heat transfer model. We used three identical size containers, each filled with hot water. Each container is made up of different materials. One will be aluminum, one styrofoam, and the other paper. One container served as the control and was made of ceramic. We measured the initial temperature of the water and recorded the temperature every five minutes for one hour.Results: The experimental results clearly demonstrated the varying abilities of different materials to reduce heat transfer through avoiding conduction, thus being a good insulator. The container made of aluminum exhibited the greatest temperature change over time, indicating it's not a great insulator. On the other hand, the container made of paper showed a significant temperature drop compared to the control, but it was more effective than aluminum. The container made of styrofoam showed the least change in temperature over time and shows it would be the best insulator. These findings can be utilized in real-world scenarios, such as selecting appropriate insulation materials for buildings or designing thermal clothing. By understanding the concept of heat transfer and the effectiveness of different insulating materials, we can make informed choices to conserve energy and enhance comfort in our daily lives
13. How does the type of material used as an insulator affect heat transfer? Use evidence to support you from the text given.
Type Answer HERE:
14. How does the movement of particles within a substance contribute to heat transfer?
Type Answer HERE:
15. If you were to build a home that effectively kept the cool air in during the summers and the hot air in during the winters, what materials would you choose and why?
Type Answer HERE:
13. The type of material used as an insulator affects heat transfer by either minimizing or enhancing it. The experimental results from the text showed that different materials had varying abilities to reduce heat transfer through avoiding conduction. The container made of aluminum exhibited the greatest temperature change over time, indicating it is not a good insulator. In contrast, the container made of styrofoam showed the least change in temperature over time, indicating it is the best insulator. The container made of paper also showed a significant temperature drop compared to the control, indicating it is more effective than aluminum but less effective than styrofoam.
14. The movement of particles within a substance contributes to heat transfer through conduction. When particles are heated, they gain energy and move more rapidly, transferring this energy to neighboring particles through collisions. This movement of particles allows heat energy to be transferred from hotter regions to cooler regions within a substance, resulting in equalizing the temperatures.
15. To effectively keep cool air in during summers and hot air in during winters, one would choose materials with good insulation properties. Based on the experimental results mentioned in the text, the best choice for insulation would be styrofoam, as it demonstrated the least change in temperature over time and was the most effective in minimizing heat transfer. Other materials that are known for their insulating properties, such as fiberglass or foam insulation, could also be considered for use in building the home. These materials trap air or have low thermal conductivity, reducing heat transfer and helping maintain a consistent temperature inside the home.
14. The movement of particles within a substance contributes to heat transfer through conduction. When particles are heated, they gain energy and move more rapidly, transferring this energy to neighboring particles through collisions. This movement of particles allows heat energy to be transferred from hotter regions to cooler regions within a substance, resulting in equalizing the temperatures.
15. To effectively keep cool air in during summers and hot air in during winters, one would choose materials with good insulation properties. Based on the experimental results mentioned in the text, the best choice for insulation would be styrofoam, as it demonstrated the least change in temperature over time and was the most effective in minimizing heat transfer. Other materials that are known for their insulating properties, such as fiberglass or foam insulation, could also be considered for use in building the home. These materials trap air or have low thermal conductivity, reducing heat transfer and helping maintain a consistent temperature inside the home.
In a couple sentences
to effectively keep cool air in during summers and hot air in during winters, one would choose materials with low thermal conductivity and high insulation properties. Styrofoam, fiberglass, and foam insulation are examples of such materials that can help minimize heat transfer and maintain a comfortable temperature inside the home.
Answer: b. The air will transfer thermal energy into the coffee, and the energy transfer will continue until the coffee is at room temperature.
Answer: b. The air will transfer thermal energy into the coffee, and the energy transfer will continue until the coffee is at room temperature.
Explanation: When two objects of different temperatures come into contact, they tend to reach thermal equilibrium. In this case, the hot coffee at 93°C will be in contact with the air at 25°C. Since the coffee is hotter than the air, heat energy will transfer from the coffee to the air. This process is called conduction. The heat transfer will continue until the temperature of the coffee reaches the temperature of the air. Therefore, the coffee will cool down and eventually reach the room temperature of 25°C.