Curated OER
Chesapeake Bay Population Studies
Pupils determine how to use a quarter meter quadrant to find population density, relative density, frequency and how to calculate a diversity index while participating in a virtual field trip. They study how to establish a Correlation of...
Curated OER
Block & Tackle
Learners participate in a lab experiment in which they discover the need for so many blocks and tackles on sailing ships. In groups, they make and test their predictions and practice measuring objects in various units. They record and...
Curated OER
Water Pressure - Observing Water Flow
Students discover that pressure increases the deeper the ocean becomes. They determine how water pressure differs at various depths by observing water flow.