science nd engineering Flashcards
scientific method
the way scientists study and learn about the world
claim
give an answer to the question based on your observations
evidence
find information from a text or other sources that supports the claim
reasoning
explain how your evidence supports your claim
conclusion
you state whether your prediction was confirmed or not and try to explain your results
qualitative observation
using your senses to describe the characteristics of an object color, texture or taste
quantitative observation
using numbers or measurements to describe something
inference
an explanation of an observation based on prior knowledge
hypothesis
a prediction based on prior knowledge
variable
any object that can be controlled, manipulated, or measured in any experiment
manipulated variable
the thing that 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 is graphed on the y axis
C-E-R
claim evidence reasoning
control variable
what must stay in the same experiment
mineral
a substance that is formed naturally in the earth, is inorganic, has a definite chemical composition, and has a crystal structure