Question

Todd and Leslie predicted that they could build an electrical circuit that powers three light bulbs. Todd connected three bulbs together in a circuit with one switch. Leslie created a different circuit, with each bulb controlled by its own switch. Both circuits were able to light all three light bulbs. Based on this example, which of these statements is true?


A) Investigations require long-term scientific observation.


B)Control and experimental groups are necessary for investigations.


C) A hypothesis is not needed to conduct investigations about circuits.


D) Different scientific methods can be used to achieve the same result

Answer 1

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Here is your answer

The answer is option D

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