Kyra Lynn Doyle
Conductors are a object that can be attached to a circuit and electricity can pass through the object.
A insulator is a object that electricity can not pass through. Like the rubber duck electricity doesn't pass through rubber.
Mas is how tightly packed something is and you can weigh the object and use the weight to cauclate the mass of a object .
Heat comes for the sun and the Earth a tiny bit. Heat makes things boil and it is part of the water cycle. without heat there whould be no us.
Magnetism is a magnetic force that can pull certain metals and some other things toward the object that is magnetized.