Transcribed Image Text:The image titled "Figure 3" depicts two inverted bottle systems, each consisting of two connected bottles.
On the left:
- The top bottle is labeled "Yellow (hot)" and is connected to a bottom bottle labeled "Blue (cold)."
On the right:
- The top bottle is labeled "Blue (cold)" and is connected to a bottom bottle labeled "Yellow (hot)."
Within the bottles on the right, there is a swirling pattern illustrated to represent the mixing or movement of contents between the bottles. This is not present in the bottles on the left.
The diagram suggests a demonstration of convection or the movement of fluids based on temperature differences. The swirling pattern indicates mixing when a cold blue liquid is on top of a hot yellow liquid, whereas no mixing is shown when the hot yellow liquid is on top of the cold blue liquid. This likely serves to visually explain the principles of fluid dynamics and heat transfer.
Transcribed Image Text:**Understanding Thermal Energy Differences in Water**
**Which statement best explains why the thermal energies in cold water and in hot water are different?**
**¿Qué explica mejor por qué las energías térmicas en agua fría y en agua caliente son diferentes?**
a) Thermal energy is a measure of the kinetic energy of molecules. The hot water molecules move slower than cold water molecules, so they have different thermal energies.
*La energía térmica es una medida de la energía cinética de las moléculas. Las moléculas de agua caliente se mueven más lentamente que las moléculas de agua fría, por lo que tienen diferentes energías térmicas.*
b) Thermal energy is a measure of the kinetic energy of molecules. The hot water molecules move faster than the cold water molecules, so they have different thermal energies.
*La energía térmica es una medida de la energía cinética de las moléculas. Las moléculas de agua caliente se mueven más rápido que las moléculas de agua fría, por eso tienen diferentes energías térmicas.*
c) Thermal energy is a measure of the potential energy of molecules. The cold water molecules have more potential energy than hot water molecules, so they have different thermal energies.
*La energía térmica es una medida de la energía potencial de las moléculas. Las moléculas de agua fría tienen más energía potencial que las moléculas de agua caliente, por lo que tienen diferentes energías térmicas.*
d) Thermal energy is a measure of the potential energy of molecules. The cold water molecules have less potential energy than hot water molecules, so they have different thermal energies.
*La energía térmica es una medida de la energía potencial de las moléculas. Las moléculas de agua fría tienen menos energía potencial que las moléculas de agua caliente, por lo que tienen diferentes energías térmicas.*
**A) Explain why the cold water sinks in Figure 3.**
**B) Explain how the concepts in your answer to part (A) are important to the understanding of Earth’s interior and crust.**
**An example of the process of convection is:**
**Un ejemplo del proceso de convección es:**
a) When cold air rises or warm air sinks.
*Cuando sube el aire frío o se hunde el aire caliente.*
b) When warm air rises or cold air sinks.
*Cuando el aire caliente sube o el aire frío
Expert Solution
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Step 1
The best statement that explains why the thermal energies in cold water and in hot water are different:
Thermal energy is a measure of kinetic energy of molecules. The hot water molecules move faster than the cold water molecules,so they have different thermal energies.
A) When liquids are cooled,they contract and therefore becomes more dense. The liquid which is more dense than the liquid of less dense will sink in that liquid. So cold water(more sense) sink in hot water(less dense).
B) Since Earth's interior is more dense than the crust which is less dense,so earth crust is floating on the mantle.
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