Question

10 scientific method define the term \controlled experiment.\ answer:

Explanation:

A controlled experiment is a scientific test where only one variable (independent variable) is changed at a time, while all other variables are kept constant (controlled) to isolate the effect of the changed variable on the outcome (dependent variable), often involving a control group (untreated) and an experimental group (treated).

Answer:

A controlled experiment is a scientific investigation where one independent variable is manipulated, other variables are controlled, and groups (control, experimental) are used to isolate the variable's effect on the dependent variable.