1. PRACTICE INTERPRETING DATA AND GRAPHS (VARIABLES)

2. The circle graph represents the typical day of a teenager.
a. What is the Independent Variable?
b. What is the Dependent Variable?
c. What percent of the day is spent watching TV?
d. What activity takes up the least amount of time?
e. What activity takes up a quarter of the day?
f. What two activities take up 50% of the day?
g. What two activities take up 25% of the day?
h. Create a data table for the pie chart/circle graph.

3. 2. The line graph represents a trip by car.:
What is the independent variable?
b. What is the dependent variable?
c. Predict the motion of the car between hours 5 and 12.
d. How many miles were traveled in the first two hours?
e. Which line represents the fastest speed?

4. 3. Answer these questions about the bar graph above:
What variable is on the y-axis of this graph?
b. What variable is on the x-axis of this graph?
c. What is the demand when the price is 5$ per bushel?

5. Atomic Number of Elements Ionization Energy (volts)2 24 4 9 6 11 8
13.5 10
21.
4. Answer these questions about the data table:
What is the independent variable on this table?
b. What is the dependent variable on this table?
c. How many elements are represented on the table?
d. Which element has the highest ionization energy?
e. Create a line graph using this data. (remember to use your tip sheet – label axis, use appropriate scale, use ruler)

6. Years
Mass (g) 2 30 4 60 6 ? 8
120 10
150
5. Answer the questions using the data table:
Fill in the missing information.
b. What is the independent variable?
c. What is the dependent variable?
d. What would the dependent variable be if the independent variable was 14?
e. What type of graph would you create from this data table?

7. Mass (g) of Object Force (N) 6 3 12 4.5 18 22 7
6. Answer the questions using the data table:
If the force was 5N what would the mass of the object be?
b. If the mass of the object is 30g, how much force would be needed?
c. What type of graph would you create from this data table?
d. What is the independent variable?
e. What is the dependent variable?

8. 7. Answer the questions using Reaction Temperatures:
What would be the temperature if the reaction was continued until minute 30?
b. What should be the label on the X-axis?
c. Finish the conclusion statement: As time ____________, temperature ____________.

9. 8. Answer the questions using Plant Height:
What would be the length if the height were taken of the plant in week 6?
b. What should be the label on the X-axis?
c. Finish the conclusion statement: As time ____________, length ____________.

10. ANSWERS What is the Independent Variable? Activities
ANSWERS
1. The graph at the right represents the typical day of a teenager. Answer these questions:
What is the Independent Variable? Activities
What is the Dependent Variable? % of Each Activity
What percent of the day is spent watching TV? 13%
What activity takes up the least amount of time? Studying
What activity takes up a quarter of the day? Going to School
What two activities take up 50% of the day? Sleep & Phone
What two activities take up 25% of the day? Phone & Eating
Create a data table for the pie chart/circle graph.

11. ANSWERS Answer these questions about the graph on the right:
What is the independent variable? Hours
What is the dependent variable? Miles
Predict the motion of the car between hours 5 and 12. Setting still
How many miles were traveled in the first two hours of the trip? 20-25
Which line represents the fastest speed? Line D-E

12. ANSWERS Answer these questions about the graph at the right:
What variable is on the y-axis of this graph? Quantity Demand
What variable is on the x-axis of this graph? Price per Bushel
What is the deman when the price is 5$ per bushel? $10/week

13. Atomic Number of Elements Ionization Energy (volts)
ANSWERS
Atomic Number of Elements
Ionization Energy (volts) 2 24 4 9 6 11 8
13.5 10
21.
Answer these questions about the data table:
What is the independent variable on this table? Atomic # of Elements
What is the dependent variable on this table? Ionization Energy
How many elements are represented on the table? 5
Which element has the highest ionization energy? 2
Create a line graph using this data. (remember to use your tip sheet – label axis, use appropriate scale, use ruler)

14. ANSWERS Fill in the missing information. 90
Years
Mass (g) 2 30 4 60 6 ? 8
120 10
150
Fill in the missing information. 90
What is the independent variable? Years
What is the dependent variable? Mass
What would the dependent variable be if the independent variable was 14? 210g
What type of graph would you create from this data table? Line graph

15. ANSWERS Mass (g) of Object Force (N) 6 3 12 4.5 18 22 7
What is the independent variable? Mass of Object (g)
What is the dependent variable? Force (N)
If the force was 5N what would the mass of the object be? 14g
If the mass of the object is 30g, how much force would be needed? 9N
What type of graph would you create from this data table? Bar or line Graph

16. ANSWERS
What would be the temperature if the reaction was continued until minute 30? 45-50
What should be the label on the X-axis? Time (minutes)
Finish the conclusion statement:
As time increases__, temperature _ increases __.

17. ANSWERS
What would be the length if the height were taken of the plant in week 6? 17-20
What should be the label on the X-axis? Week
Finish the conclusion statement:
As time _ increases __, length _ increases __