A
Tiny organisms that are made of a single cell
Bacteria
A measure of how hot or cold something is
Temperature
The ability to make things move or change
Energy
A set of interacting parts forming a complex whole
System
The outside or top layer of something
Surface
The scientific study of weather
Meteorology
The energy that an object has because it is moving
Kinetic Energy
Too small to be seen with the naked eye
Microscopic
To send to a new or different place
Redirect
A category of large molecules that perform important functions inside living things
Proteins
A long piece of DNA that contains many genes
Chromosome
A specific characteristic of an individual organism
Trait
General weather patterns over a long period of time
Climate
The relative size of things
Scale
An object, diagram, or computer program that helps us understand something by making it simpler or easier to see
Model
The process of burning fuels, which produces carbon dioxide
Combustion
A group of the same type of organism living in the same area
Population
The living and nonliving components of Earth, including the water, land, and atmosphere
The Earth System
The chemical reaction between oxygen and glucose that releases energy into cells
Cellular Respiration
An organism produced as a result of reproduction
Offspring
Having gene versions that are different
Heterozygous
The mixture of gases surrounding a planet
Atmosphere
A balanced state in which a system is stable, such as when two or more samples are at the same temperature
Equilibrium
The force on a surface caused by the weight of the atmosphere pressing down on Earth
Air Pressure
A molecule made of carbon and hydrogen atoms
Methane