6-8th Grade Science - MS-PS1-2 - Using Evidence to Determine Chemical Changes
6 Questions
Two clear solutions at room temperature are mixed. Before mixing, neither solution lights a conductivity tester.
Based on the data, what conclusion is best supported?
A teacher asks students to observe two different experiments and decide which one shows a chemical reaction.
Students mix equal volumes of two clear solutions in four trials and record observations.
Students mix equal volumes of Solution A and Solution B.
Science students place a small pad of shiny, gray steel wool (Substance 1) into an airtight, sealed jar with a few drops of water to create humidity.
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