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Snemalna Knjiga Besedilo
Hey! I have Science homework and need to do an experiment, want to help?
Ya I would love to help. Let's go home.
Ya, but do you know what they do?
Before we start do you know the three variables?
So the controlled variable is what you hold constant throughout an experiment
Ya I think... Isn't there an Independent, dependent and controlled variable?
An independent variable is the cause (what you are changing), the dependent variable is the effect (what changes)
Exactly, good job! Now it's time to start.
You need these variables in experiments to see if anything has changed in the experiment. Are you with me so far?
Ya, so we are trying to determine whether the colour of the ball effects the height of the ball on it's first bounce?
3...2...1...go!
Since we're done my teacher wants us to answer some questions about the experiment. Come...
Wow! So know we have our answer, the colour of the ball does not effect the ball on its first bounce.
Question one: Give an example for the independent variable and how it has changed at least 3 times.
Yes. Next question: How is the dependent variable measured?
Because our independent variable is the colour of the ball, say the colours were orange, red and green, would the height be the same?
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