Students discover how plants spread their seeds using other plants and animals. In this plant lesson, students role play different plants and how their seeds travel. Students then have a class discussion to ensure their understanding.

Students interpret data to demonstrate biomass and number pyramids. They use information to draw conclusions and examine an example of biological magnification.

Middle schoolers create a dichotomous key to different varieties of potato chips. In small groups, they observe and record characteristics of the potato chips to use in the key. They switch keys with another group to see if they can...