Topic 5: Portable Power

Question 1

Dry Cell

Answer 1

• chemical used in cells are paste
• Can be in any position without chemicals leaking out (sealed)

Question 2

Wet Cell

Answer 2

• uses a liquid electrolyte that is usually an acid
• cheaper and easier to make but must be careful not to spill

Question 3

Electrochemical Cell

Answer 3

Made of two metal electrodes and an electrolyte
- generates energy from chemical reactions