Term | Definition |
Law of superposition | youngest rock layers on top and oldest on bottom |
First law of thermodynamics | Energy cannot be created or destroyed |
Second law of thermodynamics | entropy always increases |
entropy | a degree of disorder |
homeostasis | equality between two elements, especially phisically |
Energy pyramid | /top predator\
/ carnivores \
/ herbivores \
/ producers \
energy |
ozone | colorless, toxic, smells |
troposphere | lowest region in the atmosphere |
mesosphere | above the stratosphere and below the thermosphere |
stratosphere | above the troposphere lower part of the mesosphere |
thermosphere | above the mesosphere and the last layer before the atmosphere loses the constant medium |
albedo | light or radiation reflected off a surface |
Eon | about a billion years |
Era | varies by how long the culture at the time lasts, usually a lifetime of someone specific |
Period | just significant Eras |
Epoch | similar to an era, but usually outlasts the person that inspired the era |
Age | Dictated by what technologies are available and common at the time |
law of conservation of mass | mass is not created or destroyed by chemical reactions |
what do transform boundaries create? | Earthquakes, faults |
what do divergent boundaries create? | mid-ocean ridges |
what do convergent boundaries create? | sub-ducting plates, trenches |
meteors | comets that never make the atmosphere |
meteorites | comets that make it into the atmosphere |
asteroids | comets with a small tail |
comets | a flying rock in space |
global warming | The planet warming due to the greenhouse effect |
the greenhouse effect | greenhouse gasses getting trapped in the atmosphere and warming the planet |