BCP 201 EL: v1 (Second Timers)
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Question 1 of 10
1. Question
ELECTRICITY AND ELECTRONS: The electrons circling an atom are very small. If the nucleus in an atom was the size of a basketball, the electrons circling it would be the size of a grain of sand.
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Question 2 of 10
2. Question
ELECTRICITY AND ELECTRONS: The electron is 1/80 of the weight of a proton.
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Question 3 of 10
3. Question
ELECTRICITY AND ELECTRONS: Electricity is the movement of the protons in and around atoms in, for instance, copper wire.
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Question 4 of 10
4. Question
ELECTRICITY AND ELECTRONS: When electricity travels through a wire in a house, usually the wire the electrons are moving through in a house is made of either copper or aluminum. Air conditioners might have aluminum wire.
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Question 5 of 10
5. Question
HOUSE ELECTRICITY AND NERVE ELECTRICITY: Electricity in wires and batteries is the “movement” of electrons.
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Question 6 of 10
6. Question
HOUSE ELECTRICITY AND NERVE ELECTRICITY: Electricity in wires is the “movement” of negatively charged electrons like when electrons move from a battery to a quadcopter. Electricity in nerves is the movement of positively charged hydrogen atoms (ions) into the nerves.
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Question 7 of 10
7. Question
HOUSE ELECTRICITY AND NERVE ELECTRICITY: Electricity in nerves is the movement of positively atoms (ions) into the filaments of the nerves.
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Question 8 of 10
8. Question
HOUSE ELECTRICITY AND NERVE ELECTRICITY: Sodium atoms are sodium ions that have lost one electron.
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Question 9 of 10
9. Question
HOUSE ELECTRICITY AND NERVE ELECTRICITY: When a message runs down the nerve at the speed of a dragster (270 mph), sodium ions are rushing into the nerves giving the nerves a positive charge.
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Question 10 of 10
10. Question
HOUSE ELECTRICITY AND NERVE ELECTRICITY: Sodium ions are positively charged because a proton is knocked off the nucleus.
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