5th Grade: The 5th graders and I are moving forward with our study of the earth's key processes. This week, the students observed an experiment with evaporation (in a closed container vs. open) and then designed their own experiment that studied how different air temperatures in the classroom affect evaporation rates. We also did a special project that involved a supersaturated soluation of Borax and water. They'll be bringing home the finished project on Friday! Key questions: Where does evaporation happen? How do we see it on a daily basis? What cup of water did your group predict will have the highest evaporation rate? Why?
4th Grade: This week, the students are investigating the properties of various minerals. On Tuesday, we practiced our observation skills by describing minerals based on their color, size, texture, transparency, and mass. On Thursday, we will testing each of the four minerals for hardness, a key property in mineral identification. Our test will include attempting to scratch each mineral with a fingernail, a nail, and a paperclip, then recording results and interpreting data. Key questions to ask students: What were some observations you made about the minerals? Which one was the hardest? The softest? How could you tell?
Have a wonderful break, everyone!
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