VariablesVariables

What are theyWhat are they

According to the dictionaryAccording to the dictionary

Noun: something that may or does Noun: something that may or does vary; a variable feature or factor. vary; a variable feature or factor.

Hairstyles are variableHairstyles are variable

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So is the weatherSo is the weather

In Science Variables are In Science Variables are Important!Important!

They are critical to quality They are critical to quality experiments!experiments!

We have two kinds : Dependent and We have two kinds : Dependent and IndependentIndependent

Think/Puzzle/ExploreThink/Puzzle/Explore

What do you What do you thinkthink you know about you know about this topic?this topic?

What questions or What questions or puzzlespuzzles do you do you have?have?

How can you How can you exploreexplore this topic? this topic?

IndependentIndependent

Independent means free of the Independent means free of the influence of others. influence of others.

DependentDependent

Conditioned or determined by Conditioned or determined by something elsesomething else

In experiments we use bothIn experiments we use both

Independent DependentIndependent Dependent

Cause EffectCause Effect

Before AfterBefore After

Input OutputInput Output

What you do What happensWhat you do What happens

Your taskYour task

Design a posterDesign a poster

Requirements:Requirements: Creatively show you understand the Creatively show you understand the

differences between dependent and differences between dependent and independent variablesindependent variables

Use an 8.5 by 11 in piece of paperUse an 8.5 by 11 in piece of paper Be neatBe neat Use 4 colors minimumUse 4 colors minimum Use a modern everyday example to show Use a modern everyday example to show

you understand the conceptyou understand the concept