Name three instruments a scientist could use to gather the information needed for the
investigation and describe why each one is needed.

How to calculate voltage drop in a series circuit

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created