You just found a metallic object in a creek bed. you have found its mass to be 96.5 g, and it displaces 5ml of water. what is the substance?
a.) aluminum
b.)iron
c.)gold
d.)none of the above

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

Asimple electrochemical cell contains two electrodes? t or f

The inverse square law applies to: intensity of sound gravitational force intensity of light electric force magnetic force