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*When conducting an experiment, it is necessary to record all your data . *To organize data, you should make a table * Graphs help us interpret data easier. 1-3 Organizing Data. *There are 3 types of graphs: ~ pie chart : compares parts to whole

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1 3 organizing data

*When conducting an experiment, it is

necessary to record all your data.

*To organize data, you should make a table

*Graphs help us interpret data easier

1-3 Organizing Data
slide2

*There are 3 types of graphs:

~pie chart: compares parts to whole

~line graphs: for data that changes over time

~bar graphs: to compare similar items

slide4
*Used to write very large or small numbers:

18000 = 1.8 x 104

*The number before the decimal MUST be between 1 and 9

Scientific Notation
slide5

p. 23 Practice

1. a. 800,000,000 m= _______________

b. 0.0015 kg =_______________

c. 60,200 L = _______________

d. 0.00095 m = _______________

e. 8,002,000 km = _______________

f. 0.00000000006 kg = _______________

slide6

2. a. 4.5 x 103g = _______________

b. 6.05 x 10-3m = _______________

c. 3.115 x 106km = _______________

d. 1.99 x 10-8cm = _______________

slide7

Precision-exactness of a measurement

Accuracy- how close a number comes to the

true value