Lauren demonstrates striving for accuracy by re-reading the directions and constantly stirring the mixture on the hot plate.
Madison shows striving for accuracy by bending down to eye level to measure "accurately."
Here we spend time washing the bits of copper from the left over solid zinc in the solution so that all of our copper is accounted for.
And here we seal the vacume by pushing down on the funnel, preventing the ridges from obstructing the air tight structure.
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