“I live and die by your website!” ~ a coordinator in Washington

Systems: Grandpa’s Axe

This is one of 750+ ready-to-use lessons on Byrdseed.TV. Videos, worksheets, and teacher guides. Your teachers press play, students work independently. Start a free pilot
Teaching your own class? Start a free trial.
Students will answer questions to decide whether an axe with all-new parts is still the same axe, and what makes something stay itself over time.

Worksheet

worksheet

3 questions about what keeps something the same when all its parts get replaced.

Sample Answers

worksheet

Three students give their responses to the questions.

Related