1. 1.1 What is Science

2. What Science is and is not
The goal of science is to investigate and understand nature, to explain events in nature, and to use those explanations to make useful predictions

3. Features of Science Only deals with natural world
Scientists collect and organize info is a careful, orderly way, looking for patterns and connections between events
Scientists propose explanations that can be tested by examining evidence

4. Evidence Based on Observations
Observation involves using one or more senses
There are 2 types
Quantitative – involves numbers (counting or measuring objects
Qualitative – involve characteristics that cannot be easily measured (color or texture)
Information gathered through observations is called data

5. Interpreting the Evidence
Observations alone have little meaning in science
Inference is a logical interpretation based on prior knowledge

6. Observation and Inference
Section 1-1
Statement Observation Inference
Object A is round and orange. X
Object A is a basketball.
Object A is a basketball.
Object B is a table-tennis ball.
Object C is a
soccer ball.
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.
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