warm-up scientific knowledge
TRANSCRIPT
© Edgenuity, Inc. 1
Warm-Up Scientific Knowledge
Lesson Question
?
WK2 Words to Know
Write the letter of the definition next to the matching word as you work through the lesson. You may use the glossary to help you.
systematic
subjective
pseudoscience
scientific knowledge
objective
science
hypothesis
observation
A. a process that involves the collection of information and ideas supported by belief or opinion
B. the information that is gathered through the systematic study of nature
C. based on opinion rather than fact
D. using a planned or careful method
E. something that is recognized or noticed using the senses
F. a possible explanation of or answer to a scientific question that is based on prior knowledge or research and is testable
G. a process that involves the collection of information and ideas supported by evidence
H. based on fact rather than opinion
Lesson Goals
Explain how scientific knowledge develops.
Define science andidentify its limitations. Recognize
characteristics thatscientists possess.
Distinguish betweenscience and
.
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Science
• Science:
• is a process.
• involves observation and experimentation.
• involves the collection of information.
• is supported by evidence.
• Scientific knowledge:
• is information gathered from the systematic study of .
Process
• The process had to be well and well studied so that the
data would be accurate and .
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Pseudoscience
• Pseudoscience:
• is a process that involves the collection of and
supported by beliefs or opinions.
• Example — cracking knuckles causes arthritis.
Explanation
Science vs. Pseudoscience
Pseudoscience Lacks
Is
Is resistant to new information
Science Relies on process
Is
constantly
Is
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Characteristics of Scientists
• – ask questions about the natural world
• – take a closer look at the natural world
• – follow strict rules when using human or animal subjects
in research
• – use prior knowledge to solve problems
• – require evidence and think logically
Observation of the Natural World
• Scientific knowledge is developed by people making observations about the natural world.
• An observation may generate a scientific .
• A scientific question may lead to a .
• The hypothesis can be tested through .
• Experimentation leads to changes in knowledge.
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The Use of Technology
• Scientists rely on technology to make of things they cannot directly see.
• in technology often lead to new scientific
.
Repeated Experimentation
• Make observations.
• Repeat .
• Use proper .
• Repeat experiments.
Practical Limitations
•
• Money
•
• Size of a
•
• Other concerns
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Practical Solutions
• Limiting the
• Conducting studies over time
• Creating
• Acknowledging
Ethical Limitations
• Ethical controversies:
• Testing on
• Testing on laboratory
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Summary Scientific Knowledge
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Answer
Review: Key Concepts
• Science:
• is a process that involves the collection of and ideas supported by evidence.
• is conducted by curious, observant, ethical, creative, and
scientists.
• builds scientific knowledge through and experimentation.
• is limited by time, money, equipment, size, complexity, etc.
• Pseudoscience:
• is a process that involves the collection of information and ideas
supported by and .
Lesson Question How does scientific knowledge develop and progress?
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