general science
___ is a way of gaining knowledge about the natural worlds
what is science
the basic building block of life
what are cells
found in all living organisms
what is carbon
a reaction where energy is produced
what is an exothermic reaction
a substance with a pH of 7
what is water
the variable that the result of the experiment is dependant on
what is the dependent variable
a group of the same kind of cells
what is tissue
a lipid with a double carbon bond that is liquid at room temperature
what is unsaturated fat
when one substance changes into another
what is a chemical reaction
measures the concentration of hydrogen ions
what is ph
the first step of the scientific method
what is observation
the act of keeping ones internal conditions constant
what is homeostasis
a carbohydrate found in fruit
what is fructose
when there are more exothermic reactions than endothermic
when does an organism lose energy
tastes bitter on the ph scale
what is the real world
all the populations in the same area
what is community
a chain of amino acids
what is protein
when there are more endothermic reactions than exothermic
when does an organism gain energy
releases free hydrogen ions
what is acid
a scientific theory is dependent on...
what is data
close relationship where at least one organism benifits
what is symbiosis
an organic compound made of sugar, phosphate, and a nitrogen base
what is a nucleic acid
the sum of all the reactions within an organism
what is metabolism
the ph of pure stomach acid
what has a pH of 1-0.8