Learners review reasons why teeth are necessary, define tooth decay, discuss and list ways to prevent tooth decay, name at least two foods that promote dental health, watch video Tooth Wisdom, and complete worksheet Tooth Healthy Snacks.

Learners discuss caves. In this science lesson, students experiment with how dissolution, a chemical weathering process, leads to the formation of caves. Once the cave is finsihed learners draw a picture or describe in writing what it...