PROBLEM: How does the launch angle affect the maximum height reached by a ground launched projectile? HYPOTHESIS: If I increase the...

VARIABLES:
The independent variable is:
The dependent variable is:
The controls are:

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions