1. Physical Science Force
Chapter 1 Notes
Physical Science Force

2. Two Types of Science Real (or Pure)
Gathering of new information or the discovery of a new fact
Examples
How the eye works
Applied (or Technology)
Practical use of scientific information
Examples
Glasses and contacts

3. Experiments Experiment Hypothesis
Defn: an organized procedure for testing a hypothesis
Hypothesis
An educated guess
Guess with background knowledge
A testable prediction

4. Hypothesis
If I change __________________, then ________________ will change, because of ______________________.
Ex: If I go out to the bus 20 minutes later at 7:30, then I will not catch the bus, because the bus comes at 7:15.

5. Parts of an Experiment Control Constant Variable
Defn: a standard for comparison
Constant
Defn: a factor that doesn’t vary in an experiment
Variable
Defn: something that can change in an experiment

6. Two Types of Variables Independent Variable Dependent Variable
Defn: the factor changed or adjusted by the experimenter
Dependent Variable
Defn: the factor that changes due to the change in the independent variable

7. More Hypothesis If I change , then . will change, because of
(independent variable)
(dependent variable)
(background information, educated portion)

8. Inferences and Observations
Something that you can gather using your 5 senses (sight, touch, hearing, smell, taste)
Inferences
Something you can guess based on observations

9. Your task: Assignment book pages 2 – 5
(chapter 1 reinforcement)
This corresponds with Chapter 1 in the textbook (pages 6 – 17)