potential energy to to kinetic energy over and over again until the small amount of energy is lost to heat and air resistance and the pendulum stops
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3
explain the difference between a producer (autotroph) and consumer (heterotroph)
a producer produces its own food and a consumer eats food from a producer
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4
producer/autotroph
produces and creates their own food, generates energy from the sun, water and carbon dioxide
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5
explain the energy transformation that occurs during photosynthesis
radiant/light energy is converted into chemical energy in the form of glucose
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6
explain where and how energy enters a food chain and how it changes up the food chain
energy is transferred from the producer/autotroph and is then transferred between organisms where 10% of the energy is given to the next trophic level and the rest is turned into heat
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7
explain how a turbine is used to generate electricity
the wind turns the blades, which spins a shaft inside the hub that's connected to the generator and creates electricity
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nuclear power
from steam, non renewable, reliable energy source, radioactive waste, risk of nuclear accidents, zero carbon emissions, high energy density
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energy formula
symbol: J, units: joules, W = F x D
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chemical energy
is stored within the connections and bonds between molecules, when the bonds are broken energy can be released, examples: coal, gasoline, natural gas released by combustion, energy in glucose is released through cellular respiration
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electrical energy
energy from moving electrons, when the electrons pass through certain devices they can transfer the energy over to the device
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radiant energy
form of energy associated with the movement of light, electromagnetic waves or particles, includes visible light and invisible light like x-rays, captured by solar panels and plants and can be converted into other forms of energy
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mechanical energy
energy possessed by an object because of it's movement or position, object gains mechanical energy when it has the ability to do work due to it's position or motion, take the form of either kinetic energy potential energy
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nuclear energy
the energy released in nuclear reactions when the nucleus of atoms are split or fused
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thermal energy
heat energy, the energy of moving or vibrating molecules
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primary consumers
eats only producers
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secondary consumers
eats both primary consumers and producers
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tertiary consumers
eats secondary consumers and primary consumers
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herbivores
primary consumers, cow, rabbits, elk
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omnivores
badgers, squirrels, hedgehog
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carnivores
lion, wolf, leopard
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consumers
heterotrophs
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solar power
from light/sun, renewable, little risk to environment, clean energy, expensive, weather dependent, maintenance isn't pricey
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tidal energy
from waves, renewable, reliable source, damages marine life, impact aquatic eco systems, high energy density, expensive
Studied by 9 people
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Flashcard (30)