Use the process skill of inferring. Use the process skill of making operational definitions. By the end of the fourth grade, students will develop an understanding of evidence, models, and explanation. Students will observe a hand bell by using the senses of sight, smell, and hearing, but without touching or tasting. Students will record their observations.
Students then ring the bell and record their observations.
Finally, students compare the tone and dimensions of their partner's hand bell with that of their own. Students will complete the Process Skills blackline master on Lab Manual as they do the activity. Students design a model car using an assortment of craft supplies. Students will complete the Process Skills blackline master on Lab Manual pages 103-104 as they do this activity. Students test the effect of a magnet on various metal objects.