Graphing lesson in chemistry class .pptx

Graphing

1. Graphing Please fill in any blanks/ mistakes on your sheet (C) 2014 Teacherz Ink, Jennifer Redhead

2. W hat are graphs made from ? data that is collected from an experiment. (C) 2014 Teacherz Ink, Jennifer Redhead

3. How is data from an experiment organized? into data tables and graphs YEAR (A.D.) NUMBER OF STUDENTS (in thousands) 1950 3.1 1960 3.2 1970 3.3 1980 3.6 1990 4.1 20M 3.3 Table 1. Number of students at Long Beach Polytechnic High since 1950. (C) 2014 Teacherz Ink, Jennifer Redhead

4. When should you use a BAR graph? when comparing data from two or more things (C) 2014 Teacherz Ink, Jennifer Redhead

5. How do you make a BAR graph? 1) make x and y axis 2) label axes 3) title the graph (C) 2014 Teacherz Ink, Jennifer Redhead

6. When do you use a LINE graph? when you need to see a ‘trend’ or ‘pattern’ in a set of data. (C) 2014 Teacherz Ink, Jennifer Redhead

7. How do you make a LINE graph? 1) Independent variable on x axis, LABEL with a unit. 2) Dependent variable on y axis, LABEL with a unit. 3 ) Title the graph (C) 2014 Teacherz Ink, Jennifer Redhead

8. When do you use a PIE or CIRCLE graph? when you need to show percentages of parts making up a whole. (C) 2014 Teacherz Ink, Jennifer Redhead

9. How do you make a PIE or CIRCLE graph? Make sure your data is in percentages Draw a CIRCLE. Make sure the size of the slice is = to the percentage it is representing. (C) 2014 Teacherz Ink, Jennifer Redhead

10. Why do scientists use data tables and graphs? Answer: To visually “see” the trends and patterns from their data. (C) 2014 Teacherz Ink, Jennifer Redhead

11. What parts should ALL graphs have? Answer: Title Labeled parts (axis, boxes, slice, bar), Number values (axis, boxes, slice, bar) (C) 2014 Teacherz Ink, Jennifer Redhead