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| Tyrell and Max experiment with conductors using a fork and water (don't try this with too much voltage!) |
I hope everyone had a nice weekend. Today we discussed two different "models" for simple circuits. Click here to see the simulation (you have to download it but it's really small). We discussed whether a simple circuit is "cyclic sequential" or "cyclic simultaneous". This means that either electrons start their flow from the battery, through the filament back to the battery (sequential) or that the filament immediately lights up when the circuit is complete (simultaneous). The majority of students believe that it's sequential--electrons flow from start to finish. This would mean that the longer the wire, the longer the bulb would take to light (and one student said that "light travels so fast you won't even be able to tell.") Which model do you think it is?
Students also experimented with conductors and insulators (non-conductors) using paper clips, water, forks, pencils, marbles, and pennies. Tomorrow students will experiment with parallel and series circuits.
We also began a new read aloud, When You Reach Me by Rebecca Stead. Students chose this book among three others; it's our third Newberry Award read aloud.
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| Our new read aloud |
1. Read for thirty minutes
2. Fourth math
Fifth math
3. Spelling
Have a good night!
