KEY WORDS
science
BOTH a way of thinking and a body of facts
a distinctive way of gaining knowledge about the natural world that starts with a question and then tries to answer the question using logic and evidence
biology
a branch of science that deals with the study of living things
genetics
a branch of biology that deals with the study of heredity
fact
observations about the world around us
can usually be proven or disproven
observation
description of something using the five senses
opinion
a view or judgment formed about something, not necessarily based on fact or knowledge
cannot usually be proven or disproven
inference
logical interpretation based on observations and prior knowledge
hypothesis
"educated guess"
possible explanation based on existing knowledge
a proposed explanation for a phenomenon made as a starting point for further investigation
theory
a well-substantiated explanation acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation
law
a statement based on repeated experimental observations that describes some phenomenon of nature