*For Further student and teacher resources and activities see www.sfscience.com Materials: construction paper, balloon, gelatin, piece of wool cloth 12 batteries, 24 bulbs, 48 wires, 24 bulb holders (12 groups of 2) a variety of magnets and objects attracted to magnets 12 batteries, 12 nails, 12-1 foot wire, masking tape, paper clips Assessment: Informal observation, (#1
(*For Further student and teacher resources and activities; see; www.sfscience.com Materials)
*For Further student and teacher resources and activities
see
www.sfscience.com Materials