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# Copy of Int Sci 1.1 - Unit 1 - Scientific Method

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## Angela Forlizzi

on 5 November 2014

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#### Transcript of Copy of Int Sci 1.1 - Unit 1 - Scientific Method

Scientific Method
Data

2 Types:
Qualitative
observations
Quantitative
Numbers/measurements

Conclusion
Tells whether the data supports the hypothesis
Explains WHY or WHY NOT
Data Relationships
Directly Proportional
When one thing increases, the other does as well

Ex. the more you study, the better your score
Data Relationships
Inversely Proportional
When one thing increases the other decreases

Ex. the more time you spend playing video games, the less time you have for homework
Scientific Method
Observation
What a scientist sees around them

Problem
A question formed from the observations/facts

Hypothesis
What you think the answer to the problem is
Make an educated guess

Experiment
Designed to gather data about the problem and hypothesis

Procedure
What you DO in the experiment; look at ONE thing
Scientific Method
Variables – the things changed in an experiment

Independent
1. doesn’t change based on another variable
2. changed by you or on its own

Dependent
1. measured variable
2. changes based on independent

Control
1. part of experiment where nothing is changed
2. used to compare
Scientific Method
Results
Data and observations taken from experiments
Centered around variable

Data Table
Diagram that organizes data

Graphs
Diagrams showing how the dependent variable changes based on independent variable
Uses a measuring tool to get quantitative data

Length
ruler/meter stick --- meters

Mass
balance --- grams

Volume

Time
clock/stopwatch --- seconds
Unit 1 - Scientific Method and the Metric System
THANK YOU!
Integrated Science 1.1
The Metric System
A system of measurement where any conversions are based on a multiple of 10

Uses prefixes for different multiples of 10 from the “base unit”
Kilo-, hecto-, deka-, BASE, deci-, centi-, milli-

When going to a larger unit, DIVIDE
When going to a smaller unit, MULTIPLY
Metric System
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