the nature of science - classzone · • section reviews, pp. 11, 21, 30 • chapter review, ... 3...
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Prepare and practice for the FCAT.• Section Reviews, pp. 11,
21, 30• Chapter Review, pp. 32–34• FCAT Practice, p. 35
CLASSZONE.COM• Florida Review: Content
Review and FCAT Practice
2 Chapter 1: The Nature of Science
The Natureof Science
Science is both a bodyof knowledge and aprocess for gainingknowledge.
Key Concepts
Science is the study ofthe natural world.Learn how scientists think andhow they test ideas.
Science depends onaccurate observationsand measurements.Learn about measurementsand about variables.
Science requires clearcommunication.Learn about record keeping,communication, and criticalevaluation.
3SECTION
2SECTION
1SECTION
Why might a scientist beexploring this sunken ship?
Chapter 1: The Nature of Science 3
Can You Deduce aShape fromShadows?Three beams of light hit anobject from different direc-tions. The resulting shadowsare shown in the diagram. Thedashed lines may help youimagine the beams of light.
Observe and Think Try to picture what theobject would look like from different direc-tions. Can you tell whether the object is anorange, a paperback book, or a can of soup?
How Do You Test an Idea?Rub a radish on a blank index card until themark on the card becomes dark pink. Use a cotton swab to wipe lemon juice onto the mark on the card. Observe the color of the radish mark.
Observe and ThinkDid the change occur because the lemon juice was wet? Test this idea by repeating the procedure with tap water instead of lemon juice.
Internet Activity: ScientistsGo to ClassZone.com to learn about differenttypes of scientists and the many ways they dotheir work.
Observe and ThinkWhich scientists’ work surprised you? Explain.
NSTA scilinks.org
Scientific Methods Code: MDL068
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4 Chapter 1: The Nature of Science
CONTENT REVIEWCLASSZONE.COM
TAKING NOTES
MAIN IDEA WEB
As you read, write eachnew blue heading—a mainidea—in a box. Then asyou read the paragraphs,put notes with importantideas and terms into boxesaround the main idea.
VOCABULARYSTRATEGY
Think about a vocabularyterm as a magnet worddiagram. Write other termsor ideas related to thatterm around it.
CONCEPT REVIEW
• Scientists use experiments totest ideas.
• Observing is part of science.
• Scientific investigations maytake different forms.
VOCABULARY REVIEW
See Glossary for definitions.
data, evidence, experiment,mass, volume
CHAPTER 1
FLORIDA REVIEWCLASSZONE.COM
Content Review and FCAT Practice
Scientists think about what they observe.
wondering putting ideas together
testing hypotheses asking questions
REPRODUCIBLEdifferent peoplecan be repeated
different times
different conditions
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