Classroom Resources: Solutions
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Solubility, Solute & Solvent | Middle School, High School
Lab: What's the Solution? Mark as Favorite (36 Favorites)
In this lab students will choose one factor that can affect the rate at which a solute will dissolve into solution –amount of stirring, temperature, or particle size, and will design a procedure that can be used to determine how it will affect rate of solution. Students will identify one of the factors above as the independent variable and will determine how it affects the solubility rate as supported by time required to dissolve the solute.
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Concentration, Solute & Solvent, Chemical Change | Elementary School, Middle School
Demonstration: Soft Eggs Mark as Favorite (2 Favorites)
In this demonstration, students will first observe a reaction between vinegar (acetic acid) and an egg shell (calcium carbonate) to produce a naked egg. Using these eggs, student will analyze how certain substances can move through a membrane and also determine if the membrane is affected.