Question
A student observed that the outside of a cup got warmer when it was filled with a hot beverage. The student then performed an investigation to observe the effect a hot object would have on room-temperature water.
• The student started by placing a thermometer and 30 milliliters (mL) of water inside a cup.
• The student also boiled 150 mL of water in a beaker and then removed the beaker from the heat source.
• The student then tied metal washers to a string and took their temperature to ensure they were at room temperature by placing a thermometer on the metal washers.
• The student then lowered the washers into the beaker of water as shown in Figure 1.
f6541ce0-4ed3-42e4-9ef7-cc7932b98b46
The student left the washers in the beaker of water for 15 minutes and then carefully removed them. The student placed a thermometer on the metal to take the temperature before adding them to the cup of water. The student lowered the washers into the water in the cup.
2
(a)
The student used Table 1 to record the temperatures of the washers and of the water in the cup after the washers were placed in the cup. However, the student forgot to label the table.
Determine which temperatures represent each material in Table 1.
5a432774-33a6-40c9-88ba-e945216daa4a
Drag the top of each bar to the correct height.
temperature(°C)
Water inthe cup(30s)
Washers(30s)
Water inthe cup(60s)
Washers(60s)
Water inthe cup(90s)
Washers(90s)
100
92
84
76
68
60
52
44
36
28
20
Describe the data.
Complete the sentence by choosing the correct answers from the drop-down menus.
As the experiment goes longer than 90 seconds, the temperature of the water in the cup will
, and the temperature of the washers will
.This will continue
.
increase
decrease
stay the same
until the temperatures are the same
but the temperatures will never be equal
• The student started by placing a thermometer and 30 milliliters (mL) of water inside a cup.
• The student also boiled 150 mL of water in a beaker and then removed the beaker from the heat source.
• The student then tied metal washers to a string and took their temperature to ensure they were at room temperature by placing a thermometer on the metal washers.
• The student then lowered the washers into the beaker of water as shown in Figure 1.
f6541ce0-4ed3-42e4-9ef7-cc7932b98b46
The student left the washers in the beaker of water for 15 minutes and then carefully removed them. The student placed a thermometer on the metal to take the temperature before adding them to the cup of water. The student lowered the washers into the water in the cup.
2
(a)
The student used Table 1 to record the temperatures of the washers and of the water in the cup after the washers were placed in the cup. However, the student forgot to label the table.
Determine which temperatures represent each material in Table 1.
5a432774-33a6-40c9-88ba-e945216daa4a
Drag the top of each bar to the correct height.
temperature(°C)
Water inthe cup(30s)
Washers(30s)
Water inthe cup(60s)
Washers(60s)
Water inthe cup(90s)
Washers(90s)
100
92
84
76
68
60
52
44
36
28
20
Describe the data.
Complete the sentence by choosing the correct answers from the drop-down menus.
As the experiment goes longer than 90 seconds, the temperature of the water in the cup will
, and the temperature of the washers will
.This will continue
.
increase
decrease
stay the same
until the temperatures are the same
but the temperatures will never be equal
Answers
GPT-4o mini
Based on the provided information, we can interpret the data and describe the relationship between the temperature changes of the washers and the water in the cup.
### Determining Temperatures for Each Material in Table 1
To fill in Table 1, we can interpret the information provided about the temperatures at different time intervals (30s, 60s, 90s). Assuming that the washers are a hot object (having been in hot water), and the water in the cup is initially at room temperature, we can assign the temperatures as follows (based on common experimental outcomes):
- **Water in the cup (30s)**: 28 °C (initially cool)
- **Washers (30s)**: 100 °C (just removed from boiling water)
- **Water in the cup (60s)**: 36 °C
- **Washers (60s)**: 84 °C
- **Water in the cup (90s)**: 44 °C
- **Washers (90s)**: 76 °C
### Describing the Data
As the experiment goes longer than 90 seconds, the temperature of the water in the cup will **increase**, and the temperature of the washers will **decrease**. This will continue **until the temperatures are the same**.
### Summary
As expected in heat transfer experiments, the hot washers transfer heat to the cooler water in the cup, leading to a gradual increase in the water's temperature while the washers cool down. This phenomenon illustrates the principles of thermal equilibrium, where heat will flow from the hotter object to the cooler one until both reach the same temperature.
### Determining Temperatures for Each Material in Table 1
To fill in Table 1, we can interpret the information provided about the temperatures at different time intervals (30s, 60s, 90s). Assuming that the washers are a hot object (having been in hot water), and the water in the cup is initially at room temperature, we can assign the temperatures as follows (based on common experimental outcomes):
- **Water in the cup (30s)**: 28 °C (initially cool)
- **Washers (30s)**: 100 °C (just removed from boiling water)
- **Water in the cup (60s)**: 36 °C
- **Washers (60s)**: 84 °C
- **Water in the cup (90s)**: 44 °C
- **Washers (90s)**: 76 °C
### Describing the Data
As the experiment goes longer than 90 seconds, the temperature of the water in the cup will **increase**, and the temperature of the washers will **decrease**. This will continue **until the temperatures are the same**.
### Summary
As expected in heat transfer experiments, the hot washers transfer heat to the cooler water in the cup, leading to a gradual increase in the water's temperature while the washers cool down. This phenomenon illustrates the principles of thermal equilibrium, where heat will flow from the hotter object to the cooler one until both reach the same temperature.