science and engineering Flashcards
scientific method
the way scientist 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 a object-color.texture.taste
Quantitative observation
using numbers or measurements to describe
inference
an explanation of an observation based on prior knowledge
hypothesis
a prediction based on prior knowledge always written in an if then statement
variable
any factor that can be manipulated controlled for or measured in an experimint
control variable
what must stay the same in the experiment
manipulated/independent variable
the thing you are testing or changing in an experiment and it is graphed on the x-axis
dependent/responding variable
what you are measuring or observing in an experiment and it is graphed on the y-axis
cer
claim evidence reasoning