Sc 9 Electrochemical Cells

What is an electrolyte?

• The liquid part of the electrochemical cell

• The metal part of the electrochemical cell

• The part that measures the voltage in an electrochemical cell

What is a voltmeter?

• The liquid part of the electrochemical cell

• The metal part of the electrochemical cell

• The part that measures the voltage in an electrochemical cell

Applications of electrochemical cells include...

• Rechargeable batteries in phones and laptops

• Hydrogen fuel cells in electric cars

• Energy storage systems in the Whitelee Windfarm

• Single-use batteries in TV remotes

What is the name of the negative contact of a battery?

• Anode
• Diode
• Cathode
• Monode

What is the positive contact of the battery called?

• Anode
• Diode 
• Cathode
• Monode

Which way do electron flow?

• Positive to negative
• Negative to positive
• Negative to Negative
• Positive to Positive

Energy cannot be destroyed.

• True 
• False

Energy can be created.

• True
• False

Energy is the ability _____________.

• to do work
• to power things
• to move objects
• to turn on a light

Heat energy is also called ______ energy.

• chemical

• electrical

• mechanical

• thermal