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Santiago Lopez, Andressa Londono,
Susana Bravo, Santiago Alvarez
QUESTION
Which objects will conduct electricity and which objects won’t conduct
electricity?
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objects
HYPOTHESIS
conductor
marble
x
carrot
x
Apple
x
Medal
x
Watch
x
Toothbrush
Earrings
insulator
x
x
Pony tail
x
Bracelet
x
zipper
x
ballon
x
lemon
x
fork
x
nailfile
x
glue
x
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MATERIALS
•Light bulbs
•Wires
•Batteries
•15 objects
•Camera to take pictures
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PROCEDURES
1. Create a closed circuit using the light bulb, batteries, and wires to
make sure all of the materials work.
2. Take one of the objects and put it in the circuit to see if it is a
conductor or insulator. If the light bulb lights up, it is a conductor. If
the light bulb doesn't light up, it is an insulator.
3. Write the name of each object in the chart and put an x in the
conductor or insulator columns.
4. Do this procedure for all 15 objects.
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PICTURES
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CHARTS AND TABLES
objects
conductor
insulator
Hypothesis
marble
x
yes
carrot
x
no
Apple
x
no
Medal
x
Watch
x
Toothbrush
Earrings
x
No and yes
x
yes
x
Pony tail
Bracelet
yes
yes
x
x
yes
yes
zipper
x
no
ballun
x
no
lemon
x
no
fork
x
yes
nailfile
x
yes
glue
x
yes
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RESULTS AND CONCLUSION
Conductor
insulator
Medal
Watch
Earrings
marble
bracelet
Carrot
Fork
Apple
watch
Toothbrush
Zipper
Balloon
Lemon
Nail file
Glue
ponytail
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EXPLANATION
Some materials are conductors because metal conducts electricity.
Some materials are insulators because electrons can’t pass.
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The circuit diagram
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FINAL CONDUCTORS AND INSULATORS