Ivan wants to build an electromagnet. what three materials will ivan need?
a compass, a battery, wires

a battery, wires, a solenoid wrapped around an iron core

solenoid wrapped around an iron core, wires, a light bulb

a battery, wires, a light bulb

The process of replication is the same for all living things because

The changes that the students observed, rapid breathing and sweating, would be classified as a to a change in a system.

Match each description with the correct form of energy. 1. energy of an object's position above the ground. 2. stored in the bonds of atoms and molecules 3. stored in the nucleus of an atom 4. energy of vibrating molecules 5. movement of objects used to do work 6. created by vibrations in electric and magnetic fields chemical energy mechanical energy heat gravitational energy light nuclear energy