Although the methods are all scientific, forensic science was started by police officers rather than scientists, who relied on observation and common sense. Young detectives use many tools to solve crimes around the school in a...

Fourth graders read cards about the explorers: Coronado, Lewis, and Clark, Pike, and Long. In this influential expeditions lesson, 4th graders describe and observe explorers who came to Kansas. Students locate main reasons and details as...

Students try to figure out the strategies to the game Noughts. Students logic must play a part in the process of the game. Students apply the symmetries of regular polygons. Students devise ways to critically follow a chain of reasoning.

Learners correctly build new words by adding a prefix and/or suffix to existing base words.

Students analyze population and land use data to predict future environmental problems. They use fictitious data for this exercise while pretending that they are helping aliens who have come to them for advice.