Monday, October 19, 2009

science challenge week 7

5th grade: physical and chemical changes and plants

For this assignment, I wanted to have the students do a unit of plants by planting seeds and caring for them. They would document the growth by observing the plants. At some point in the unit, we would talk about the different types of plants around the world and use google earth to view at different places and the types of climates that allow for certain plants to grow in those specific areas. We would talk about the physical and chemical changes that occur in plants and use digital microscopes to observe those chemical changes.

For content, we will be focusing on chemical changes in plants for the 5th grade. Pedagogy: we will be observing the chemical changes that take place in plants (ie. leavee changing colors). It will be a good fit with the content because it will allow us to see the differences between chemical and physical change and what is classified as chemical changes. Technology: we will be using digital microscopes to compare the differences between the different colored leaves. It is a good fit for the content and pedagogy because it will help solidify the term (chemical change) and allow students to explore chemical changes.

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