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| 1. | BATTERY AND A BULB
A BATTERY
AND A BULB
I. ... a battery pumps charge from the negative end to the positive end
b. ... A light bulb contains a protected filament that let electrons flow through it
a. ... A simple circuit is made with a light bulb, battery and two wires
a. battery – the energy source
b...
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| 2. | aaaaaa
What is PBL? Problem-based learning (PBL) is a curriculum development and instructional approach. What does PBL do? PBL simultaneously develops problem solving strategies, disciplinary knowledge bases, and skills. How does PBL do it? By placing students in the active role of problem-solvers confront...
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