Use the table to answer the question.
Sample Initial Temperature (°C) Final Temperature (°C) Amount of Ice Added (grams)
1 20.2 16.0 60
2 48.1 44.2 59.9
3 6.1 1.0 71.1
4 14.6 3.3 122.6
A student adds ice to several samples of water. The results are shown in the table. Which conclusion can be drawn from the results?
(1 point)
Responses
As the temperature decreases, the kinetic energy of the sample increases.
As the temperature decreases, the kinetic energy of the sample increases.
As the amount of ice added increases, the change in temperature increases.
As the amount of ice added increases, the change in temperature increases.
As the temperature increases, the kinetic energy of the water molecules decreases.
As the temperature increases, the kinetic energy of the water molecules decreases.
As the amount of ice added decreases, the temperature decreases.
Question
A student adds different amounts of ice to four samples of water and records the change in temperature after 30 minutes. What is the independent variable in this investigation?(1 point)
Responses
ice cubes added
ice cubes added
amount of time
amount of time
initial temperature
initial temperature
final temperature
final temperature
A student conducts an investigation to show the relationship between temperature and kinetic energy in one phase of matter. What would the graph of this relationship look like?(1 point)
Responses
a diagonal line
a diagonal line
a U-shaped curve
a U-shaped curve
an S-shaped curve
an S-shaped curve
a horizontal line
As the amount of ice added increases, the change in temperature increases.
ice cubes added
a diagonal line
What are the Vedas?
(1 point)
Responses
a language written in Sanskrit
a language written in Sanskrit
sacred hymns
sacred hymns
priests who recited offerings
priests who recited offerings
the number system of the Indo-Aryans
sacred hymns
How did the early Indo-Aryans measure their wealth?
(1 point)
Responses
in cattle
in cattle
in horses
in horses
in the number of chariots they owned
in the number of chariots they owned
in corn
in cattle
What group was in the highest caste?
(1 point)
Responses
Dalits
Dalits
rulers and warriors
rulers and warriors
priests
priests
landowners and merchants