Which type of graph should be used to show the number of volcanoes in 4 different locations?

A. Bar Graph
Correct!

B. Line Graph
Incorrect. A line graph is used to show a continuous relationship (trend) between two variables.

C. Multiple Line Graph
Incorrect. Multiple line graphs are used to show relationship between multiple sets of ordered pairs.

D. Pie Graph
Incorrect. A pie graph shows how portions make up a whole such as percentages with the entire circle representing 100%.

Given the data table below, what type of graph would be best to display the data?

A. Bar Graph
Incorrect. Bar graphs are used to show comparisons between ordered pairs.

B. Line Graph
Incorrect. Line graphs show a trend between two variables but in this set of data we have multiple sets of ordered pairs.

C. Multiple Line Graph
Correct!

D. Pie Graph
Incorrect. A pie graph shows how portions make up a whole such as percentages with the entire circle representing 100%.

Given the following lab procedure, what label should be placed in the location marked with an X?

1. Use the graduated cylinder to add 100 mL of tap water to a 250 mL beaker.
2. Use a balance to measure out 75 grams of salt
3. Pour the salt into the tap water.
4. Start the stop watch and begin stirring the salt and water solution.
5. Record the time (Seconds) it takes to salt to completely dissolve.
6. Repeat two more times and average.
7. Repeat steps 1-6 using ice water and water that has been heated to 90°C.

A. Time (seconds)
Incorrect. The time in seconds is the dependent variable and does not go where the X is located.

B. Amount of Salt
Incorrect. The amount of salt is a constant in this experiment and would not be located on the data table.

C. Average Time
Incorrect. The average time would be placed in the far right hand column of the graph.

D. Temperature of Water
Correct!

Given the following lab procedure, what label should be placed in the location marked with an Y?

1. Use the graduated cylinder to add 100 mL of tap water to a 250 mL beaker.
2. Use a balance to measure out 75 grams of salt
3. Pour the salt into the tap water.
4. Start the stop watch and begin stirring the salt and water solution.
5. Record the time (Seconds) it takes to salt to completely dissolve.
6. Repeat two more times and average.
7. Repeat steps 1-6 using ice water and water that has been heated to 90°C.

A. Average Time
Incorrect. The average time would be placed in the far right hand column of the graph.

B. Trial 1, Trial 2, Trial 3
Correct!

C. 75 g, 85 g and 95 g
Incorrect. The amount of salt was a constant and did not change.

D. Tap, Ice, and Heated
Incorrect. Tap, Ice, and Heated are the conditions of the independent variable and should be placed in the far left column.