Does the type of fertilizer affect a plants growth? What type of variable is the fertilizer?

What would the INDEPENDENT variable be in this experiment testing paper vs. construction paper: Does the type of paper an airplane is made of affect how far the airplane will fly?

Does the type of gasoline put in a car effect how fast the car can drive? What is the independent variable?

Ms. Smith set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

How does watching TV during studying affect a student’s test grades? Student's test grades is the................variable.

Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week. What is the independent variable?

Which should be written as an "if, then" statement?

The conclusion should consist of C. E. R. Which of the following is the correct wording for CER in a scientific investigation?

All scientific investigations should begin with a scientific QUESTION......

In an investigation, students who are female will take their test listening to music. The male students will take their test the traditional way...no music. Which is the experimental group?

What should you do before conducting an scientific investigation?