Question

"A scratch mark appears on talc when diamond is rubbed on it." What does this statement most likely represent?

a. an experiment
b. a hypothesis
c. a conclusion
d. an observation

Answer 1

Answer: d. an observation

Step-by-step explanation:

In an experimentation process an observation is a process of examining or monitoring something like a experimental variable or any other entity so as to derive a conclusion of the experiment. It involves the physical or visual examination.

According to the given situation the scratch marks can be observed over the talc caused by the diamond on rubbing. Hence, it is the example of an observation.

Answer 2

Answer: option d. an observation

Step-by-step explanation:

"A scratch mark appears on talc when diamond is rubbed on it"; is most likely to be an observation.

A hypothesis is a statement which can be tested through an experiment. An experiment involves some steps. Within an experiment certain observations are made and thereafter conclusion is drawn.

When diamond is rubbed on the talc, scratch mark appears is most likely an observation. The appearance of scratch mark is an observation after talc was rubbed by diamond.