Page 15 - Science Course 1 (Book 1)
P. 15
Mo.1-L1b : What are Scientific Theory and Scientific Law?
To prevent bias in an investigation, sampling, repetition, and blind studies can be helpful.
1. Sampling 2.Blind Study
A method of data A procedure that can reduce bias
collection that involves is a blind study. The investigator,
studying small amounts subject, or both do not know which
of something in order item they are testing. Personal bias-
to learn about the larger es cannot affect an investigation if
whole is sampling. A participants do now know
sample should be a C what they are testing.
random representation A B
of the whole.
3. Bias 4. Repetition
It is important to remain unbiased If you get different results
during scientific investigations. Bias is when you repeat an
intentional or unintentional prejudice investigation, then the
toward a specific outcome. Sources of original investigation
bias in an investigations can include probably was flawed.
equipment choices, hypothesis C Repetition of experiments
formation, and prior knowledge. B $0.50 helps reduce bias.
A $1.50
Suppose you were a part of a taste for $2.00
new toast, you must think that the most
expensive one taste the best. This is a
bias.
Questions about personal opinions, values,
beliefs, and feelings cannot be answered
scientifically.
Scientists follow safety
procedures when they
conduct investigations.
Ethics are especially
important when using
living things during SUMMARY
investigations.
What are Scientific Theory and Scientific Law?
Critical thinking is comparing what you
Key Concept already know about something to new
What is Critical Thinking? information and deciding whether or not
you agree with the new information.
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