Presenting Scientific Data

Presenting Scientific Data - Transcript

Name Chapter 1 Science Skills

Class

Date

Section 1 4 Presenting Scientific Data
pages 22 25 This section describes how scientists organize and communicate data

Reading Strategy page 22
Comparing and Contrasting After you read this section compare the types of graphs by completing the table For more information on this Reading Strategy see the Reading and Study Skills in the Skills and Reference Handbook at the end of your textbook
Type of Graph Line graph Description Used For

Bar graph

Circle graph

Organizing Data
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pages 22 24

1 Circle the letters of tools that scientists use to organize their data a the Internet b newspapers c tables d graphs 2 The simplest way to organize data is to present them in a n 3 Circle the letter of the place on a line graph where the manipulated variable is generally plotted a the y axis b the rise c the x axis d the run 4 On a line graph the ratio of the change in the y variable to the corresponding change in the x variable is called the line s 5 Circle the letters of the relationships that are direct proportions a distance traveled versus time at a constant speed b the mass of a substance versus its volume c the time to travel a given distance versus average speed d the number of fingers in your classroom versus the number of people

Physical Science Guided Reading and Study Workbook

s

Chapter 1

7

Name Chapter 1 Science Skills

Class

Date

6 Is the following sentence true or false An inverse proportion is one in which the product of the two variables is constant 7 Identify each data organizing tool shown below
Composition of Earth s Crust
Aluminum 8 1

Average Annual Precipitation for Selected U S Cities
City Average Annual Precipitation cm 98 0 91 0 41 2 117 0 25 1 166 9 30 5

Silicon 27 7

Iron 5 0 Calcium 3 6 Sodium 2 8 Potassium 2 6

Buffalo N Y Chicago Ill Colorado Springs Colo Houston Tex San Diego Calif Tallahassee Fla Tucson Ariz

Oxygen 46 6

Magnesium 2 1 Other 1 5

a

b

Average Annual Precipitation for Selected U S Cities
200 Average Annual Precipitation cm 166 9 150
Mass g
10 9 8 7 6 5 4 3 2 1 0

Mass vs Volume of Water
Slope Rise Run 5g 5 cm3 1 g cm3

100 50 0
Bu

98 0 91 0 41 2
lo Ch go Sp gs Ho

117 0

Rise 5 g

Pearson Education Inc publishing as Pearson Prentice Hall All rights reserved

25 1
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30 5
on

Run 5 cm3

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34

5

6

7

8 9 10

Volume cm3

c a c b d

d

Communicating Data page 25
8 Name two ways that scientists can report results of their experiments a b 9 Is the following statement true or false Scientists always interpret a given set of data the same way 10 Why is peer review an important part of scientific research

8

Physical Science Guided Reading and Study Workbook

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Chapter 1