Energy Flashcards
(13 cards)
Name 3 types of renewable energy
Solar, wind, geothermal, hydroelectric dams, wave, biofuel
Name the 4 non renewable energies
Coal, gas, oil, nuclear
What is the mnemonic for energy types
CHSGLEEK
What are the energy types (random order)
Kinetic, heat, sound, light, electrical, chemical (potential), gravitational (potential), elastic (potential)
Can energy be lost
No
What is energy measured in
Joules
What is the energy transformation of photosynthesis
Light to Chemical
What is the first law of Thermodynamics
Energy can’t be created or destroyed, just changed.
What is the equation for efficiency
Useful energy/total amount of energy supplied
What is the definition of biofuel
When we burn living or recently living matter it becomes a biofuel
What is bioethanol and biodiesel made from
Sugar cane, corn,rapeseed, palm oil
How much more % of emissions does rapeseed and corn make than fossil fuels
50-70%
How many hectares of rainforest is cleared each year on the Indonesian peatlands
2.8m