Chapter 1 The Science of Biology

Book Pages 2-28

Ch 1 Sec 1-What is Science?The goal of science is to investigate and understand

nature, to explain events in nature, and to use those explanations to make useful predictions.

Science Features:1. Science has several features that make it different from other human endeavors. 2. Scientists collect and organize information in a careful, orderly way, looking for patterns and connections between events. 3. Scientists propose explanations that can be tested by examining evidence.

Science is an organized way of using evidence to learn about the natural world.

- BIOLOGY is the study of living or once living things. - Bio = life- ology = the study of

The goal of science is to investigate and understand nature in the following steps:

1. observe2. collect data (evidence)3. infer4. form a hypothesis

Statement Observation Inference

Object A is round and orange.

Object A is a basketball.

Object C is round and black and white.

Object C is larger than Object B.

Object B is smooth.

Object B is a table-tennis ball.

Each object is used in a different sport.

X

X

X

X

X

X

X

X Object A is a basketball. Object B is a table-tennis ball. Object C is a soccer ball.

Section 1-1

Observation and Inference Examples:

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Observations may be qualitative or quantitative.

QUALITATIVE involves characteristics that cannot be measured or counted.

QUANTITATIVE involves a specific measurement or count.

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