Created by Dr Adele Register
“the ability to do work”
E = mc2
potential vs. kinetic
Gravitational
Chemical
Elastic
Electromagnetic
Moving objects
Heat
Sound waves
Other waves
Where do living organisms obtain energy?
Sunlight
Absorbed by plants
High-energy compounds made through photosynthesis
Trophic levels
Based on how close organism is to sun
90% of energy is “lost” as heat with each step further down the chain
First Law - Conservation of Energy
In an isolated system the total amount of energy, including heat, is conserved.
The many different kinds of energy are interchangeable.
Although the kind of energy in a given system can change, the total amount cannot