science and engineering practices Flashcards
(15 cards)
scientific method
the way scientists study and learn about the world
observation
using your five senses to gather information about something
qualitative observation
using your senses to describe the characteristics of an object color texture taste
quantitative observation
using numbers or mestuments to describe something
inference
explanation of an observation based on prior knowledge
hypothesis
is a prediction based on prior knowledge
variable
any factor that can be manipulated or controlled or measured in an experiment
control variable
what must stay the same in an experiment
manipulated variable
the thing you are testing or changing in an experiment and it graphed on the x axis
dependent varuble
what you measure or observe in your experiment
cer
claim evidence reasoning
claim
is the answer to the question
evidence
scientific data
reasoning
the how or why the evidence or claim
conclusion
a written summary of an experiment that uses evidence to prove what you learned