Download No Slide Title - Calderglen High School

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1
Electricity is a flow of …..?
answer
electrons
Calderglen High School
2
Why do batteries
run out ?
answer
Chemicals get used up
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3
Give an advantage of a
battery
answer
portable
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4
What is the purpose of the
ion (salt) bridge?
answer
Completes the
circuit
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5
Give a disadvantage
of a battery.
expensive
Calderglen High School
answer
6
What is the relationship between the
position of metals in the electrochemical
series and the voltage of a cell?
answer
The further away they are from
each other the larger the
voltage
Calderglen High School
7
Give an example of a
rechargeable battery
answer
Lead/acid - car battery
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8
What is the purpose of an
electrolyte ? answer
To complete the circuit
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9
In which direction will electrons flow in a
cell containing silver and magnesium
connected by an electrolyte?
answer
magnesium to silver
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10
In which direction will the electrons
flow in a zinc/copper cell?
answer
zinc to copper
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11
What produces the electricity
in a battery?
answer
A chemical
reaction
Calderglen High School