gr.6/7 science vocab
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to write a good question you must first decide what you want to know
a prediction states what is likely to happen based on what is already known
coming up with an educated guess. never say maybe or probably in an hypothesis. always be certain and positive. like: "if an truck runs over a kid we will be fine." instead of. "A kid probably wont die if he is run over"
variables are things that will change the out come of the experiment if changed.
what are the 3 types of variables
independent dependent and controlled.
there is 1 independent variable and is the only one you change in the experiment.
the 1 dependent variable is the variable changed by the independent variable.
the controlled variables are all the variables never changed
when you observe something you are using your senses to learn about the world around you.
what are the 2 types of observations
qualitative and quantitive
quantitive are observations of stuff like measurements, time, volume and suff that can be measured.
qualitative are observations of colour, smell, texture and things that can't be measured
classifying is sorting objects into groups based on the OBSERVATIONS you made on that object.
an inference is a possible explanation of something that happened.
interpreting data is making sense of data. once you do this you should CLASSIFY the data
once you finish your experiment you can create tables and models to explain evan more.
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