text and art by Sylvia Spain
PERSIA: Harpo sees the pizza and starts running!
AKANE: This lowers the basket which pulls the rope and lifts the pizza out of the box.
PERSIA: The gears turn…
AKANE: …which generates electricity and turns on the light.
TEEGAN: I thought inventions were supposed to make things easier.
PERSIA: It's easy for us.
TEEGAN: How do you turn it off?
PERSIA AND AKANE: Hmmm—hadn't thought of that.
SQUIRREL (thinking): I don't think that will be a problem.
- How is chemical energy part of this machine?
- Describe two places in which energy changes states from potential energy to kinetic energy. Describe how the kinetic energy is released.
- Think about whether or not this invention saves time or energy. Is this a good invention or a bad invention? Write a few sentences to explain your answer.