Scientific method!

Mat wanted to know which baseball bat would hit the ball the farthest. wooden/aluminum/plastic. Constant variable?

final step of scientific method

Joe wanted to find out which device had the longest lasting battery. I phone, Galaxy, or an I Pad. Dependent variable?

Mat wanted to know which baseball bat would hit the ball the farthest. wooden/aluminum/plastic. Independent variable?

Which variable needs to be the same for each trial or the experiment will be considered invalid.

Another name for the independent variable is the manipulated variable.

Joe wanted to find out which device had the longest lasting battery. I phone, Galaxy, or an I Pad. Constant variable?

Another name for the dependent variable is?

Mat wanted to know which baseball bat would hit the ball the farthest. wooden/aluminum/plastic. Dependent variable?

Joe wanted to find out which device had the longest lasting battery. I phone, Galaxy, or an I pad. Independent variable?

What is the scientific method?

Another name for the constant variable is the responding variable.