Question

identify the type of scientific knowledge represented by each statement.
law theory hypothesis
if a certain piece of metal is cooled, it will conduct electricity better.
the amount of electric current that passes through a conductor is directly proportional to the voltage and is described by the formula ( v = ir ).
electricity is the flow of electric charge in the form of electrons moving through a circuit.

Explanation:

First Statement: "If a certain piece of metal is cooled, it will conduct electricity better."

A hypothesis is a proposed explanation or prediction that can be tested. This statement is a testable prediction about how cooling a metal affects its electrical conductivity, so it is a hypothesis.

A scientific law describes a phenomenon or relationship in nature that is consistently observed and often expressed mathematically. Ohm's law (expressed as \( V = IR \)) is a well - established relationship between voltage, current, and resistance, so this is a law.

A scientific theory is an explanation of an aspect of the natural world that is well - substantiated, based on a body of facts. This statement explains what electricity is (the flow of electrons), so it is a theory.

Answer:

hypothesis

Second Statement: "The amount of electric current that passes through a conductor is directly proportional to the voltage and is described by the formula \( V = IR \)."