Why it is Best to make a prototype on a smaller scale than the actual fully made end product. its for my stem class im an 9th grader

Trey caught a five and a half pound fish. how much did it weigh in ounces?

The different layers of gases that extend form the surface of the earth into space

What does a triple-beam balance require the user to do? add the numbers from the three sliders to determine the mass of an object multiply the numbers from the three sliders to determine the mass of an object add the numbers from the three sliders to determine the volume of an object multiply the numbers from the three sliders to determine the volume of an object