Curated OER
Gas Exchange And Respiratory Systems.
Explore structures within the realm of gas exchange in terrestrial and aquatic life. The excellent, labelled diagrams and clear descriptions help your students view the different structures and adaptations that have...
Curated OER
Gas exchange: Respiratory Systems
The need for a respiratory system in humans versus being reliant on gas exchange structures is demonstrated. There are many details about the advantages and disadvantages of each mechanism. Students are able to learn about the...
Serendip
Should States Repeal Their Laws Banning First Cousin Marriage?
Around half of the states in the US ban first cousin marriage, but does science support that ban? Scholars work through genetic analysis of the risks to understand if more states should ban the practice—or if some should remove it. They...
Curated OER
Bubonic Plague
Students study the history of the causes and spread of the Bubonic Plague. They determine what groups of people were affected by the disease and locate the geographic areas they resided in. Working in small groups they conduct a an...
Curated OER
Over a Barrel
Learners examine oil reliance in Britain and around the world. For this oil crisis lesson, students discuss how oil is produced and consider the supply left in the world. Learners also examine the influences of oil prices and discover...
Curated OER
Excavating the Past
Students discover how palaeontologists conduct a dig for fossils and how they interpret the age of the fossils. In small groups, they prepare a "dig site" consisting of bones, rocks and soil layered in a cardboard box. They switch boxes...