Calderglen High School

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Calderglen High School

1 ElectricityElectricity is a flow is a flow of …..?of …..?

answer

electrons

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Chemicals get used up

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2

Why do Why do batteriesbatteries run out ? run out ?

Calderglen High School

Give an Give an advantageadvantage of a batteryof a battery

portable

answer

3

Calderglen High School

What is the purpose What is the purpose of the of the ion (salt) ion (salt)

bridge?bridge?

Completes the

circuit

answer

4

Calderglen High School

Give a Give a disadvantage of a disadvantage of a

battery.battery.

expensive

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5

Calderglen High School

What is the relationship between What is the relationship between the position of metals in the the position of metals in the

electrochemical series and the electrochemical series and the voltage of a cell?voltage of a cell?

The further away they are from each other the

larger the voltage

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6

Calderglen High School

Give an example of a Give an example of a rechargeablerechargeable batterybattery

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7

Lead/acid - car battery

Calderglen High School

What is the purpose What is the purpose of an of an electrolyteelectrolyte ??

To complete the circuit

answer

8

Calderglen High School

In which direction will electrons flow in a cell containing silver and magnesium connected by

an electrolyte?

magnesium to silver

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9

Calderglen High School

In which direction will the In which direction will the electrons flow in a electrons flow in a zinc/copper cell?zinc/copper cell?

zinc to copper

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10

Calderglen High School

What produces the What produces the electricity electricity

in a battery?in a battery?

A chemical reaction

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