science
way of gaining knowledge about the world
science definition
living things are made of cells
cell theory
anything that takes up space and has mass
matter
matter can not be created or destroyed under normal circumstances
conservation of matter
electrical charge difference between areas of molecules
polarity
nature can be understood through systamatic study
goals of science
characteristics are transferred from parent to offspring
gene theory
all same type of atom
element
energy emitted in a reaction
exothermic
keeps water at liqiud base when shouldnt be
hydrogen bonds
statement that cannot change under certain natural conditions
scientific law
keeping this constant
homostasis
2 or more elements together
energy is absorbed during
endothermic
takes a while to heat up
high specific heat
law of gravity, gas laws
scientific law examples
changes over time
evolution
certain carbon are found in living organisms
organic compound
energy required to start the chemical reaction
activation energy
mixture of 2 subastances
solution
affected by other factors
dependent variable
genes passed that are helpful
natural selection
carbohydrates
grains
sum of all reactions within cell
metabolism
0-7 ph level
acids