experiments
n. countablen. scientific tests that people do to find out if an idea is true or to see what happens in certain conditions.
n. scientific procedures undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
The students perform experiments in the science lab.
Researchers conducted several experiments to determine if the new medicine was safe for humans.
Controlled experiments require a rigorous isolation of variables to ensure that any observed changes in the dependent variable are directly attributable to the manipulation of the independent variable.
Often used with the verbs 'conduct', 'perform', or 'carry out'.
make an experimentdo/conduct an experimentLearners often use 'make' due to native language interference, but 'do', 'conduct', or 'carry out' are the correct collocations.