6th grade: Thursday we learned about all sorts of different mixtures. We learned about suspensions, emulsions, colloids, solutions and alloys. Then we let some transparency ink travel up a coffee filter, showing the different colors the ink was made of. Next we saw that milk is a colloid because it is undissolved particles in a substance. We used the beakers from yesterday's density experiments to show suspension and emulsion and then we stirred salt into water and made herbal tea to show solutions. Lastly we discussed that alloys are a mixture of metals. Finally the students finished their Osmosis Egg Experiment graph.
7th grade: Today we reviewed fossils, relative dating and radioactive dating on Plato. Monday we will cover the different time periods from Pre-Cambrian to the present time.
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