science and engineering practices Flashcards
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 measurements to describe somthing.
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 experiment.
Control Variable
What must stay the same in the experiment.
Manipulated/Independent 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 it graphed on the Y-axis.
C-E-R
Claim, Evidence, Reasoning
Claim
Give an answer to the question based on your observations.
Evidence
Find information from a text or other sources that supports your the claim.
Reasoning
Explain how your evidence supports you claim.
Conclusion
A written summary of an experiment that uses evidence to prove what you learned.