Question

Match these with the key terms
(1) A form of energy that is always transferred from a warmer substance to a cooler one.
(2) device that converts hear to a small amount of electric energy often used in temperature sensors.
(3) A Push button barbecue lighter produces a small electric current.
(4) thermocouples combined to produce greater amounts of electricity.
(5) a device, usually composed of silicon, that can be used to produce electricity from light.
(6) Different types of metals in a voltaic cell that have different attractions for electrons.
(7) A substance that can conduct an electric current through the movement of ions.

KEY WORDS-
a) electric energy
b) heat
c) thermocouple
d) thermo-electric generator
e) thermopile
f) piezoelectric effect
g) photovoltaic cell (PV)
h) electrodes
i) electrolyte
j) fuel cell

Answer 1

1 heat
2 thermocouple
3 piezoelectric device
4 thermopile
5 photovoltaic cell
6 electrodes
7 electrolyte

Answer 2

A Push button barbecue lighter produces a small electric current.

Answer 3

I know the answer, I just forget it.

Answer 4

1. heat
2. thermo-electric generator
3. piezoelectric effect
4. Thermopile
5. photovoltaic cells
6. electrode
7. electrolyte

Answer 5

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