study of life
something that changes over time
what is evolution?
way of gaining knowledge about the natural world
what is science?
anything that takes up space and has mass
what is matter?
the change of one substance to another
what are chemical reactions?
the electrical charge difference between different areas of molecules
what is polarity?
an individual living thing
what is an organism?
statement that can not be changed under any circumstance
what are scientific laws?
all the same type of atom
what is an element?
something that starts the reaction
what are reactants?
when water stays in liquid form even though it shouldn't be at room temperature
what are hydrogen bonds?
a close relationship between species, one or both are benefiting
what is symbiosis?
affected by the other factors in an experiment
what is a dependent variable?
2 or more elements bonded together
what is a compound?
this is what you get out of a reaction
what are products?
what is high specific heat?
relationship between organisms fighting for the same resource
what is competition?
changed by the experimenter
what is an independent variable?
this is found in living organisms and contains carbon
what is an organic compound?
this is a law that says matter can not be created or destroyed under normal conditions
what is conservation of matter?
this is a mixture of two substances
what is solution?
the number of a species in one area
what is population?
what is a constant?
this has a definite makeup
What are chemical substances?
energy that is emitted during a chemical reaction
what is exothermic?
this is the concentration of Hydronium ions
what is pH?