AEPA Earth Science AZ045 Practice Questions - Arizona Educator Proficiency Assessments Earth Science (AZ045) Exam

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A class investigates whether soil particle size affects infiltration rate. Which variable should be measured as the dependent variable?

The type of container used for all samples The amount of water poured onto each sample The elapsed time or rate at which water passes through each soil sample The starting temperature of the classroom

Correct Answer:

The elapsed time or rate at which water passes through each soil sample

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