1. Calderglen High School
making electricity 1 2 3 4 5 6 7 8 9 10 11
Calderglen High School

2. Electricity is a flow of …..?1
Electricity is a flow of …..?
answer
electrons
Calderglen High School

3. Why do batteries run out ?2
Why do batteries run out ?
answer
Chemicals get used up
Calderglen High School

4. Give an advantage of a battery3
Give an advantage of a battery
answer
portable
Calderglen High School

5. What is the purpose of the ion (salt) bridge?4
What is the purpose of the ion (salt) bridge?
answer
Completes the circuit
Calderglen High School

6. Give a disadvantage of a battery.5
Give a disadvantage of a battery.
answer
expensive
Calderglen High School

7. The further away they are from each other the larger the voltage6
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

8. Give an example of a rechargeable battery7
Give an example of a rechargeable battery
answer
Lead/acid - car battery
Calderglen High School

9. What is the purpose of an electrolyte ?8
What is the purpose of an electrolyte ?
answer
To complete the circuit
Calderglen High School

10. Calderglen High School9
In which direction will electrons flow in a cell containing silver and magnesium connected by an electrolyte?
answer
magnesium to silver
Calderglen High School

11. In which direction will the electrons flow in a zinc/copper cell?10
In which direction will the electrons flow in a zinc/copper cell?
answer
zinc to copper
Calderglen High School

12. What produces the electricity in a battery?11
What produces the electricity in a battery?
answer
A chemical reaction
Calderglen High School