Variable - anything you can change in an experiment that might affect the outcome. Independent variable - The variable that you change. What you know before doing the experiment. The independent variable in the example below is “Type of Exercise”. Dependent Variable – The variable that change on its own in response to the change in the independent variable. This is what you find out by doing the experim ent. The dependent variable in the example below is “Heart Rate”. Controlled Variable – Any variable that you don’t change during an experiment. The controlled variable in the example below is the 10 minute duration. Example: Type of Exercise (10 minute duration) Heart Rate Walking 70 beats per minute Jumping in place 85 beats per minute Running 110 beats per minute
once all of the world was connected and we call that pangea then over time the continental plates moved making the earth formation we know now. the theory is that could the dinosaurs have moved while pangea was still a thing.
