Curated OER
What is a Karst
Students investigate landforms by holding a class experiment. In this topography lesson, students define the word "karst" and discover why sinkholes are created on the surface of the Earth by completing worksheets. Students create a...
Curated OER
What is a Karst?
Students examine the process that creates limestone. For this limestone lesson students complete a worksheet and participate in a lab activity.
Curated OER
Is Your Water Clean?
Learners compare water quality of different sources. They test water samples for odor, phosphates, pH, bacteria, and dissolved solids. they fill out a data table and answer questions about their findings.
Curated OER
Caverns: Drip Rate Analysis
Students tour a cave and collect water samples. They measure the drip rate from several locations inside the cave and discover the part water plays in cave formation.
Curated OER
Cave Formation Age Estimation
Students investigate growth rates of flowstone formations. They view a virtual field trip and discuss how flowstones form. They observe the cave fieldtrip and predict the growth rate for a cave formation. They graph growth rates and...