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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A FRAMEWORK FOR DEVELOPING A STUDENT-LED LAB ACTIVITY
Categories: General Interest, Lab/Student Activity
The nature of physics experiments (in the high school classroom) creates a perfect situation to allow students to generate their own testable questions. Many of the safety concerns that might exist... read more
Student Activity: What Time Is It?
Categories: Lab/Student Activity
The sky has been mystifying civilizations for thousands of years. Many civilizations have performed religious ceremonies and timed agricultural activities based on celestial events such as eclipses... read more
TESTING SOIL QUALITY (SVN3E)
Categories: Lab/Student Activity, Lesson Plan
In this lab, students will test two different soil samples, one from a natural environment and the other from a location impacted by humans, for their water-holding capacity, organic matter content,... read more