Observing, Inferring
Variables to be tested: pH of the solution Independent variable: pH of the solution Dependent variable: growth of the plant Controlled variables: light, temperature, water
Observe the following diagram of a plant cell.
Classifying
A student wants to measure the volume of a stone. What instrument should be used?
Observing, Inferring
Variables to be tested: pH of the solution Independent variable: pH of the solution Dependent variable: growth of the plant Controlled variables: light, temperature, water
Observe the following diagram of a plant cell.
Classifying
A student wants to measure the volume of a stone. What instrument should be used?