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Type: Multiple-Choice
Category: Scientific Method
Level: Grade 8
Score: 7
Tags: scientific method
Author: mrsbateacher
Last Modified: 2 years ago

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Scientific Method Question

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Grade 8 Scientific Method

For an experiment, a scientist put lime at the base of tomato plant A and baking soda at the base of tomato plant B. She then sealed the plants in plastic bags. Tomato plant A eventually died, and tomato plant B stayed healthy. What is the dependent variable in this experiment?
  1. type of plant grown for the test
  2. response of the plants to each substance
  3. substance at the base of each plant
  4. plastic bags wrapped around each plant
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