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Bell Work

Bell Work. Choose a seat (choose wisely, because if you can’t handle choosing your seat, I will choose for you). Start working on your graphing bell work. Graphing Notes. This may be different from Math class!!!. Graph Type.

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Bell Work

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  1. Bell Work • Choose a seat (choose wisely, because if you can’t handle choosing your seat, I will choose for you). • Start working on your graphing bell work

  2. Graphing Notes This may be different from Math class!!!

  3. Graph Type • Line Graphs – are used to show continuous changes over a period of time • Bar Graphs – are used to compare facts between different groups. • If in doubt, choose the line graph. • The regents will always clearly tell you which kind of graph to use.

  4. Bar or Line? You will complete a lab in the future, where you compare the size and weight of a gummy bear before it is submerged in water to after.

  5. Bar or Line? Much later in the year, you will construct a graph comparing the growth of seeds grown in acid rain and seeds grown in regular rain over a period of two weeks.

  6. Title • The title should describe the data being compared in the graph. • Don’t try to be cute • If all else fails write the title of your y-axis versus the title of your x-axis • Keep it short

  7. Make a Title • What would you call the last graph?

  8. Labeling Axis • Always create a label for each axis that explains what the numbers represent. • X-axis should always be your dependent variable (usually time) DV = what is being measured • Y-axis should always be your independent variable (what you were testing in the lab) • If a set of data includes a measurement (centimeters, seconds, etc.) make sure to include that unit in your label.

  9. Label the Axis The data table shows the number of fish species found at various ocean depths.

  10. Numbering Axis • Count the number of lines on your graph for each axis • Find the range of points for each axis • Divide the range by the number of lines to see the best option for an interval (choose an even number) • Ex: If your data points range from 6 - 35, what would be a good interval for this graph paper? • You do not have to start at zero or label the origin • You are not allowed to have any breaks in your graph! • The interval between each number must remain constant

  11. Following Directions • There are usually 2 points given for Regents graphs. • [1] for correctly numbering the axis • [1] for following graphing instructions, such as circle the points for data set 1 and put a triangle around the points for data set 2; or color in your bars.

  12. Following Directions The data table shows the number of fish species found at various ocean depths. Directions: Using the information in the data table, construct a line graph on the grid, following the directions below. Mark an appropriate scale, without any breaks, on each labeled axis. [1] Plot the data from the data table. Surround each point with a small circle and connect the points. [1] Ex:

  13. Plotting Data • If a 0 is not given as a data point, do NOT connect your first point to the origin!!! • If two different symbols are provided in the key, you should have two separate lines! • Only connect points from the same data set • Ex: If you are graphing population, do not connect the points for a wolf population with the points for the deer population

  14. Plot This • An investigation was performed to determine the effect of temperature on the activity of the enzyme catalase, which breaks down hydrogen peroxide releasing oxygen. Six test tubes, each containing water and equal concentrations of hydrogen peroxide and catalase, were maintained at different temperatures. Observations made during the investigation were used to construct the data table

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