4th grade in Mrs. Lamb's Room
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    • punctuation
  • Science
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YOUR CART

Step1: Experiment Question

Experiment Ideas
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 Form Question:
How does (a change in the independent variable) affect (how the dependent variable changes)?

​Question Example:
How does the speed of water evaporation from a salt solution affect the size of salt crystals that form?

​independent variable: what YOU are changing, test only ONE

controlled variable: things that stay the same in the experiment, keep the experiment fair
​​

dependent variable: what you are trying to measure
Examples:
Bad Question:
How is one brand of battery different from another?
Good Question:
Which lasts longer: a brand-name battery or a store-brand battery?


Bad Question:
Which brand of popcorn is best?
Good Questions:
Which brand of microwave popcorn leaves the fewest unpopped kernels?
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