science and engineering practices Flashcards
scientific method
The way scientists study and learn about the world.
Observation
Using your 5 scenes to gather information about something.
Qualitative observation
Use your senses to describe the characteristics of an object-color, texture, taste
Quantitive 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. Always written in an if-then statement.
variable
Any factor that can be manipulated. controlled far, or measured, in an experiment.
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 an experiment and it is grappled the x-axis
dependent/responding variables
what you are measuring or observing in an experiment and it is graphed on the y-axis.
C-E-R
Claim Evidence Reasoning
Claim
Is the answer to the question based on the observation?
Evidence
scientific data that supports your claim.
Reasoning
the how or why the evidence supports our claim; scientific rule.
Conclusion
A written summary of an experiment that uses evidence to prove what you learned.