Chemistry, 20.10.2020 20:01 QueenNerdy889
To test the quality of water sources in her area, Shameka collects five samples from each water source and tests the quality of each sample.
Which important step of scientific design is Shameka conducting?
repetition
replication
verification of results
using controlled variables
Answers: 3
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What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold
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To test the quality of water sources in her area, Shameka collects five samples from each water sour...
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