science icon Name ________________________________
1. A graph showing the ten warmest years since 1880 is shown below. In the space to the right of the graph, produce a data table for the graph.

 

2. Notice that the line on the graph at right does not touch all the data points. This type of line on a scientific graph is called a(n)
O   A. estimated line
O   B. best-fit line
O   C. scatter line
O   D. extrapolated line

3. Which of these conclusions is supported by the graph data?

O   A. Antibiotics are not harmful to bacteria
O   B. Antibiotics kill all the bacterial colonies
O   C. Some antibiotics are better than others
O   D. Antibiotics kill some bacteria faster than others

4. The antibiotic will probably kill all bacteria colonies in ___ hours.

O   A. 22
O   B. 24
O   C. 26
O   D. 28

5. Which of these variables would change the numbers on the graph the most?
O   A. climate
O   B. residential space
O   C. energy user practices
O   D. all are equally important

6. For most householders, the largest expense is

O   A. space cooling
O   B. space heating
O   C. heating water
O   D. refrigeration and freezing

7. If the yearly energy expense of a certain household is $1000, the amount spent on lighting as

O   A. $7
O   B. $70
O   C. $700
O   D. none of these
 

8. From 2003 to 2004, the national average price for gasoline increased by
O   A. $0.21
O   B. $0.48
O   C. $0.69
O   D. $1.00

9. The most expensive place to buy gasoline in Utah is

O   A. Ogden
O   B. Provo
O   C. Salt Lake City
O   D. St. George

10. From 2003 to 2004, gasoline prices in California increased by

O   A. 90%
O   B. 77%
O   C. 50%
O   D. 25%

11. How many states on the table had gasoline prices below the national average in 2003?

O   A. 2
O   B. 3
O   C. 4
O   D. 5