Curated OER
Aquatic Ecosystem Exploration
Students visit a local stream, pond, creek, or river and collect macroinvertebrates. They sort macroinvertebrates and identify each species using a dichotomous key. Students decide on trophic levels and construct a possible food web for...
Curated OER
Alexander Graham Bell's Patent for the Telephone and Thomas Edison's Patent for the Electric Lamp
Students read a short biographical account about Bell and student B about Edison. Ask each pair to exchange information and determine what qualities these inventors shared. Ask students if they think all inventors share these qualities.