Characteristics of life
1 to Trillions
Organization
Direct method of gathering info using one or more of the senses
Observation
Center of the atom
Nucleus
rearrangment of molecular or ionic structures
chemical reactions
Homogenous Mixture
Solution
Add mass and make natural changes over life
Growth and development
testable prediction
Hypothesis
Positive part of the atom
Proton
starting substances
Reactants
Substance that disolves another
Solvent
offspring required sexual vs asexual
Reproduction
Test Hypothesis
Experiment
Neutral part of the atom
Neutron
substances formed by a reaction
Products
Substance that is disolved
Solute
Regulation of internal changes when external conditions change
Homeostasis
group that is not touched and used for comparison
Control group
Negative part of the atom
Electron
minimum amount of energy required for reaction
Activation Energy
releases hydrogen ions
acid
Changes to species over time physiological, structural, and behavioral.
Adaptation
factor that we measure
Dependent Variable
an atom if it gains or loses a electron
Ion
releases energy as heat, more energy in reactants than product (releases energy)
Exothermic
realeases hydroxide ions
Base