Flashcards
Chapter 1
Flashcards do conjunto (17)
- 1ScienceAn organized way of gathering and analyzing evidence about the natural world, a process.
- 2ObservationThe act of noticing and describing events or process in a careful, orderly way.
- 3DataDetailed records of experimental observations.
- 4Quantitative DataNumbers obtained by counting and measuring.
- 5Qualitative DataDescriptive involved characteristics that normally can not be measured.
- 6HypothesisA scientific explanation for a set of observations that can be tested in ways that support or reject it.
- 7Controlled ExperimentAn experiment in which only one variable is changed.
- 8Independent VariableThe variable that is deliberately changed.
- 9Dependent VariableThe variable that changes in response to the independent variable.
- 10TheoryWell tested explanation that unifies a broad range of observations.
- 11AtomBasic unit of matter.
- 12ElementPure substance.
- 13Atomic NumberNumber of protons in nucleus.
- 14IsotopesNumber of protons and neutrons in nucleus.
- 15CompoundSubstance formed by a chemical change.
- 16Ionic BondFormed when electrons transfer from one atom to another. Oppositely charged atoms are then attracted to each other to form the bond.
- 17MoleculeStructure that results when two or more atoms bond.
Informações
- Descrição
- These are the notes we took for Chapter 1 in Biology. I hope they are helpful.
- Criado por
- Crystal Waters
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