Batteries

1
Batteries
2
What is a battery?

• Battery a device in which chemical energy is
  directly converted to electrical energy
• Chemical Energy Electrical Energy

3
Earliest Battery

• Earliest batteries Baghdad Battery
• 250 BC and 640 AD.
• Made from salts and metals

4
Strength of a battery

• Measured in voltage
• Voltage Amount of force pushing an
  electron.

5

• Every battery has 2 electrical conductors
• positive conductor cathode ()
• negative conductor anode (-)
• Different conductor different voltage

6
How a battery works
7

• For a battery to work a path from () to (-)
  conductor must be available.

8
Procedure for Lab

• Place the tub on the table and make sure have the
  supplies
• Attach the penny and zinc nail to the alligator
  clips
• Grab a fruit and place the nail and penny into
  the fruit
• Record the results
• Use the white paper towel to clean off the nail
  and penny between tests

9

• Keep all the lab materials in the tub
• Be careful with the testers (Dont drop the
  testers on the floor)