Ways to represent data
What variable goes on the x axis (the horizontal axis)?
Independent variable
What is the first step of the scientific process?
Make observations
What is a qualitative observation?
An observation using your senses
What is an inference?
a logical conclusion drawn from observations, previous knowledge and available information
What system of measurement do scientists usually use?
The metric system
What variable goes on the y axis (the vertical axis)?
dependent variable
What is another name for the scientific process?
the scientific method
What is Physical science?
The branch of science that studies nonliving things.
What is a quantitative observation?
What is an independent variable?
The variable we manipulate
Every table and graph must have what?
A title
What do you do if the hypothesis is supported?
Continue to test with more experiments
What is a hypothesis?
a testable explanation for one or more observations of a tested answer to a question
What is a scientific law?
a well tested description of on phenomenon in the natural world. Often includes mathematical terms
every measurement should include what?
a unit
What are bar graphs used for?
To compare multiple data sets
What do you do if a hypothesis is not supported?
revise the hypothesis and test the new one
What is a controlled experiment?
an experiment in which the factors that influence the outcome are kept the same except for the factor being studied
What is a scientific theory?
a well tested explanation of a phenomenon in the natural world
what does science prove?
nothing
What are line graphs used for?
to show the comparison between dependent and independent variables
What do you do after making observations?
Form a testable hypothesis
What is a variable
a factor that can change in an experiment
What is mass?
The amount of matter something has
Is the observation "their are 5 brown circles on the wall" quantitative or qualitative?
Qualitative