This demonstration emphasizes how we can make predictions based on patterns. A jigsaw puzzle is used as an analogy for the periodic table. Just as Mendeleev left gaps in his original periodic table, gaps are left in this jigsaw puzzle and just as he hypothesized the existence and properties of new elements, students hypothesize and find the missing pieces to the jigsaw puzzle.
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Student Activity/Teacher Demo: Spinning Dish
Categories: Lab/Student Activity, Teacher Demonstration
In this demo, two polyethylene strips are charged on one end by rubbing with wool. One charged strip is then mounted on an evaporating dish and the other charged strip is used to make the dish spin.... read more
OUR TOWN: AN INTEGRATED UNIT EXPLORING MEASUREMENT, ELECTRICITY AND DESIGN
Categories: Lab/Student Activity, Unit Plan
Inquiry Focus: How can we plan and build a structure for Our Town that has the base area of 100 units square and incorporates one or more electrical components? Other... read more
Pneumatics/Hydraulics
Categories: Lab/Student Activity
Students work in groups to complete a hydraulic/pneumatic lab with syringes to examine the forces involved and the strength of fluid power Final project is the "firefighting Robotic Arm" - in... read more