Use the table to answer the question. Sample Observation 1 The drop of food coloring spreads slowly. 2 The drop of food coloring spreads very quickly. A student places a drop of food coloring into two water samples. Her observations are shown in the table. Which statement best explains the observations in the table? (1 point) Responses The water molecules of sample 1 are transferring more kinetic energy. The water molecules of sample 1 are transferring more kinetic energy. The water molecules of sample 1 are moving faster. The water molecules of sample 1 are moving faster. The temperature of sample 2 is higher. The temperature of sample 2 is higher. The temperature of sample 2 is close to freezing.
11 answers
The statement that best explains the observations in the table is: The temperature of sample 2 is higher.
This is because if the drop of food coloring spreads very quickly in sample 2, it suggests that the water molecules are moving faster due to higher kinetic energy, which is associated with a higher temperature. In contrast, the drop spreading slowly in sample 1 indicates that the temperature (and thus the kinetic energy) is lower in that sample.
The best experimental setup to investigate the connection between kinetic energy and temperature would be:
placing one drop of food coloring in a cup with 50 mL of water at 10ºC; placing one drop of food coloring in a second cup with 50 mL of water at 40ºC.
This setup allows the student to compare the behavior of the food coloring in two different temperatures (10ºC and 40ºC) while keeping the amount of water and the amount of food coloring consistent. By observing how quickly the food coloring spreads in each temperature, the student can draw conclusions about the relationship between temperature (and thus kinetic energy) and the diffusion rate of the food coloring.
The best procedure to investigate the transfer of kinetic energy using ice in a sample of water would be:
1
This procedure involves recording the temperature of the water before and after the ice melts. By measuring the temperature change, the student can directly observe how the kinetic energy of the water changes as the ice (which has lower kinetic energy) melts and enters the water, causing a temperature change in the system.
While procedure 2 involves touching the water to determine if it feels colder, it does not provide a quantitative measurement. Procedure 3 relates to measuring mass but does not directly address kinetic energy transfer, and procedure 4 focuses on recording time, which doesn't provide specific insights into kinetic energy changes. Hence, procedure 1 is the most suitable for this investigation.
The response that best explains how the picture shows Asoka changed after the Battle of Kalinga is:
The pillars proclaimed his regret at the bloodshed at the Battle of Kalinga and his conversion to Buddhism.
After the Battle of Kalinga, which resulted in significant loss of life, Asoka experienced deep remorse for the violence and suffering caused by his actions. This led him to embrace Buddhism and advocate for the principles of peace, non-violence, and compassion, which would be reflected in the edicts and messages inscribed on the pillars.
Here are some aspects of the Indus Valley civilization that scholars still have questions about:
Writing System - Scholars are uncertain about the nature and meaning of the symbols in the Indus script, as it has not been fully deciphered.
Decline of Civilization - The reasons behind the decline of the Indus Valley civilization remain a topic of debate among researchers, with various theories such as climate change, natural disasters, or invasions.
Political Structure - There is limited understanding regarding the governance and political organization of the Indus Valley cities.
Religion and Beliefs - Scholars have questions about the religious beliefs and practices of the people of the Indus Valley civilization due to the lack of concrete evidence.
Trade and Economy - While trade networks have been identified, the specifics of their economy, including trade practices and goods exchanged, are still being studied.
You can select and insert these responses related to the mysteries of the Indus Valley civilization in any format required.
Thank you for providing the options. The aspects of civilization that scholars still have questions about for the Indus Valley civilization would include:
These aspects represent areas where there is still uncertainty or a lack of clear evidence regarding the Indus Valley civilization. The responses about "used weights and measurement" and "establishment of farming" are less of a mystery, as scholars have more information on those topics.
