Station 1 These verbs can be used to describe changes commonly seen on graphs.  Examine the words. (Look them up if you don’t know what they mean.) 1.  Record the verbs that mean to go up. 2.  Record the verbs that mean to go down. 3.  Record the verb that means to go up and down. 4.  Record the word that means to reach its highest level. 5. Record the word that means to stay the same for a period of time.

Station 1 peak Increase Plunge rise Level Sank soar Constant Surge fluctuate Grew Stabilize decline Fell Steady drop Plummet trough climb Rocket

Station 2 Use the “Number of Tadpoles in Pond” graph and the verbs to help you complete some of the sentences. In some cases, there is more than one correct answer. 1.  In the year 1990, tadpole populations began to  ____________  rapidly. 2.  Tadpole populations reached a ______________________ in 1992. 3.  Between 1992 and 1993, populations of tadpoles _________________. 4.  Tadpole populations __________________after 1993. 5.  Between 1995 and 1999, populations __________________________. 6.  How many tadpoles were in the pond at its highest point? ___________ 7.  How many tadpoles were present in the pond in 1998?  ___________ 8.  Between 1998 and 1999, tadpole populations ____________ somewhat.

Station 2

Station 3 Graph 1 The following Line graph depicts sales for two real estate agents during the years 1990 - 1995. Number of Homes Sold Year

Graph #2 Station 3

Graph #3 Station 4

Graph #4 Station 4

Station 3 Using Graph #1 A. Find the number of houses sold by Ms. Smith in 1993. B. Find the number of houses sold by Ms. Smith and Mr. Jones in 1992. C. In what year did Ms. Smith and Mr. Jones sell the same number of houses? Using Graph #2 A. What is the dependent variable? B, What happened to the plant between weeks 4 and 5? C, Between which two weeks did the plant show the most growth?

Station 4 Using Graph #3 A. What is the number of deer in 2000? B. How often are deer being counted? C. Do you think the title of the graph is valid? Why/Why not? Using Graph #4 A. Tell what the bar graph measures. B. On average, how many hours a day is the computer used on weekdays? C. Which appliance is used twice as many hours on the weekends as it is on weekdays?

Station 5 Tiger Shark Population School Subject Survey The population of tiger sharks off the coast of Florida was recorded over several months. Graph the tiger shark populations below using a line graph. Your graph paper has been set up for you. ________________________________________________________________________________________________ School Subject Survey Bob asked classmates what their favorite school subject is. Make a bar graph of the results shown below. Your graph paper has been set up for you. Favorite Subject Number English 12 Science Math History P.E. Resource 23 18 9 2 10

Station 6 Analysis Questions What is the dependent variable? (y-axis) pH of water Number of tadpoles 8.0 45 7.5 69 7.0 78 6.5 88 6.0 43 5.5 23 Analysis Questions What is the dependent variable? (y-axis) What is the independent variable? (x-axis) What is the average number of tadpoles per sample? What is the best water pH for tadpole development? Between what two pH readings is there the greatest change in tadpole number? How many tadpoles would we expect to find in water with a pH reading of 5.0?

Station 7A In an eighth grade class, 20% of the students are in the band, 20% are in the orchestra, and 90% are in the choir. Which bar graph best represents this data? 7A. #2 #1 #4 #3

#6 #5 #7 #8 Station 7B 7B. The table shows the scores of 20 Students on a history test. Which is a bar graph of the data? #6 #5 #7 #8

Station 7C 7c. The line graph below represents the top wind speeds of Hurricane Gordon in 1999. Between which two days did the maximum wind speed increase the most? #9 September 16–September 17 #10 September 10–September 11 #11 September 11–September 12 #12 September 7–September 8

Station 8A 8A. The following table lists the population of Alaska from 1900–2000. Pick the correct bar graph of the data. #13 #15 #16 #14

Station 8B 8B. Select a suitable line graph for the data. Number of Burgers Sold Month 100 June 400 July 300 August 500 September 200 October

Station 8C 8C. The table shows the increase in number of women competing in the beauty contest held by a company since the beginning of the contest in 1995. Which of the line graphs represents the data in the table? 1995 1996 1997 1998 1999 2000 25 125 250 300 400

Station 9

Station 9 The line graph shows changes in the amount and type of fast food consumed by Australian teenagers from 1975 to 2000. Summarize the information by selecting and reporting the main features and make comparisons where relevant. There are four basic things you need to complete for this writing task: Introduce the graph. Give an overview. Give the detail. Fill the space provided.

Average thickness of the annual rings in cm. Station 10 Age of the tree in years Average thickness of the annual rings in cm. Forest A Forest B 10 2.0 2.2 20 2.5 30 3.5 3.6 40 3.0 3.8 50 4.5 4.0 60 4.3 The thickness of the annual rings indicate what type of environmental situation was occurring at the time of its development. A thin ring, usually indicates a rough period of development—lack of water, forest fires, or a major insect infestation. On the other hand, a thick ring indicates just the opposite. Construct a two-line graph of the above data. Answer the questions that follow. (Use 2 colors!)

Station 11 Questions For Station 10 Graph: What is the dependent variable? What is the independent variable? What was the average thickness of the annual rings of 40 year old trees in Forest A? Forest B? Based on this data, what can you conclude about Forest A and Forest B?

Station 12

Station 12 1. What product was exported most in year 2004? A.  Rice B.  Wheat C.  Corn D.  Soy 2. For how many years did the corn production dominated the export? A.  4 years B.  6 years C.  3 years D.  5 years 3. Which product suffered the sharpest decline in export and when? A.  Rice from 2003 to 2004 B.  Rice from 2004 to 2005 C. Corn from 2007 to 2008 D. Wheat from 2007 to 2008 4. Calculate the total export of three products in year 2007. (approximately) A.  2000 metric ton B.  2400 metric ton C.  2600 metric ton D.  2200 metric ton 5. Calculate the percentage of rice export compare to the total export in year 2007. A.  40% B.  50% C.  60% D.  30%