Graphing. Sample Experiment How big will a goldfish get if you keep on feeding it? ?
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Transcript of Graphing. Sample Experiment How big will a goldfish get if you keep on feeding it? ?
![Page 1: Graphing. Sample Experiment How big will a goldfish get if you keep on feeding it? ?](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697bfca1a28abf838ca97f2/html5/thumbnails/1.jpg)
Graphing
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Sample Experiment
How big will a goldfish get if you keep on feeding it?
?
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Experimental Design
Take 10 goldfish. • Feed one 1 food pellet every day. • Feed one 2 pellets every day.• Feed one 3 pellets every day.• …
Measure how massive each goldfish is after 6 months.
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Data
food (pellets/day) mass (g)
1 6
2 8
3 13
4 15
5 25
6 34
7 52
8 78
9 94
10 121
After 6 months…
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Independent Variable
?
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Independent Variable
The independent variable is adjusted by the experimenter.
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Independent Variable
The independent variable is adjusted by the experimenter.
Graph the Independent Variable on the X-Axis
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X-Axis
What is the x-axis? the horizontal (side to side) axis
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X-Axis
What is the x-axis? the horizontal (side to side) axis
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What Is the Independent Variable In Our Fish Experiment?
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What Is the Independent Variable In Our Fish Experiment?
The experimenter adjusts
how much food
each fish gets.
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Dependent Variable
?
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Dependent Variable
The dependent variable changes as a result of what the experimenter does
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Dependent Variable
The dependent variable changes as a result of what the experimenter does
Graph the Dependent Variable on the Y-Axis
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Y-Axis
What is the y-axis? the vertical (up and down) axis
![Page 16: Graphing. Sample Experiment How big will a goldfish get if you keep on feeding it? ?](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697bfca1a28abf838ca97f2/html5/thumbnails/16.jpg)
Y-Axis
What is the y-axis? the vertical (up and down) axis
![Page 17: Graphing. Sample Experiment How big will a goldfish get if you keep on feeding it? ?](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697bfca1a28abf838ca97f2/html5/thumbnails/17.jpg)
What Is the Dependent Variable In Our Fish Experiment?
![Page 18: Graphing. Sample Experiment How big will a goldfish get if you keep on feeding it? ?](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697bfca1a28abf838ca97f2/html5/thumbnails/18.jpg)
What Is the Dependent Variable In Our Fish Experiment?
Mass
changes as a result of how
much food each fish gets.
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Graph It!
Goldfish Growth
0
20
40
60
80
100
120
140
0 2 4 6 8 10 12
Food (pellets/day)
Mas
s (g
)
Ingredients:
• Meaningful Title
• Labeled Axis
• Units in Parentheses
• White Background
• No Gridlines
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Notes:
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Your Turn
Make the goldfish graph on a computer with a partner.
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Log In
• Press: Control-Alt-Delete
• Username: physics
• Password: success
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Open Excel
• Click: start
• Go to: Programs
• Open: Microsoft Excel
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Enter Your Data
• Row 1: Names
• Row 2: Date
• Row 3: Blank
• Row 4: Headings
• Row… : Data
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Graph the Data
• Click on the chart wizard
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Select the Chart Type
XY (Scatter)
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Add a New Series
Click to select your x values.
Click to select your y values.
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• Click on the cell with your first x value with the left mouse button.
• Hold the mouse button down and drag it down to your last x value.
• Release the mouse button.
• Click on the to go back.
Select Your X Values
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• Click on the cell with your first y value with the left mouse button.
• Hold the mouse button down and drag it down to your last y value.
• Release the mouse button.
• Click on the to go back.
Select Your Y Values
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Enter Titles
Meaningful Title
Independent Variable (Units)
Dependent Variable (Units)
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Remove Gridlines
Never use gridlines.
Uncheck: Major gridlines
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Remove the Legend
Only use a legend if you are plotting multiple data sets on one graph.
Uncheck: Show legend
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Chart Location
Charts look best on their own sheet.
Meaningful Title
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Change the Background
Goldfish Growth
0
20
40
60
80
100
120
140
0 2 4 6 8 10 12
Food (pellets/day)
Mas
s (g
)
Gray is ugly and it wastes ink. We use white backgrounds.
Double click on the gray
background.
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Remove the Gray Background
Goldfish Growth
0
20
40
60
80
100
120
140
0 2 4 6 8 10 12
Food (pellets/day)
Mas
s (g
)
Gray is ugly and it wastes ink. We use white backgrounds.
Click on Area: None
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Save
Save on your floppy diskor it will be lost forever.
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Your Turn
Enter your data for the heights and stopping distances you measured yesterday.
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Save
Save on your floppy diskor it will be lost forever.