Quizes

Box 1: Hydraulic lift

1. What is the main principle that the DIY Hydraulic Lift kit demonstrates? A) GravityB) Pascal's LawC) MagnetismD) Friction 2. What happens when you apply pressure to one end of...

Box 8: Robot Vacuum Cleaner Quiz

1. How does the vacuum robot know where to go in a room? A) You show it where to goB) It uses sensors or camerasC) It guessesD) It goes until...

Box 7: Oil Pump Jack Quiz

1. Which principle does the DIY oil pump primarily demonstrate? A) Magnetic attractionB) Air pressure differencesC) Hydraulic forceD) Lever mechanism 2. Why do real oil pumps often have a deep...

Box 6: Air Blower Quiz

1. Why doesn't the ball get blown away to the side, out of the airflow? A) The ball is stickyB) The surrounding air pushes it back into the airflow C)...

Box 5: LockBox Quiz

1. What does the shackle do in a combination lock? A) Stores the combination numbers B) Provides the unlocking mechanism C) Connects the lock to objects D) Generates the lock's...

Box 4: Hydraulic Excavator Quiz

1. Which part of the excavator is responsible for its digging action?  A) The cab B) The undercarriage C) The bucket D) The tail swing 2. What powers most modern...