variables
the thing you change
What is independent variable
To look at 2 objects to see how they are the same and different
What is compare
type of graph when data is in words and numbers
What is a bar graph
how many parts to a conclusion
3
The first step in an investigation (experiment is)...
What is observe/ask a question
the thing you measure
What is the dependent variable
to put objects in groups based on how they are the same
What is classify
What is a line graph
used instead of saying the hypothesis is correct
supported
relationship when one variable increases and the other also increases.
What is direct
how many independent variables you can have
only 1
to find out how much of something there is
What is measure it
title should include
what you changed and measured
you should state what _________ and use _________ to prove it
happened, data
relationship when one variable goes up and the other goes down
inverse relationship
controlled variables are
ones you keep the same
what is the hypothesis
a testable prediction
where you put the changed variable
on the bottom (x axis)
use of data is important to ___________ what happened
prove
how to calculate an average
add the numbers, press equals, divide by how many numbers you added
only changing one thing so you know that was what caused your results
what is a fair test
how many controlled variables you can have
lots
only graph the
averages
Why is it important to communicate results?
What is to share new information with other people
average of these 4 numbers: 2, 4, 3, 3
3