Kids Invent Stuff: Cake-Dispensing Bike Quiz

What is the main purpose of the invention discussed in the video?

• To create a bike that generates electricity.

• To build a bike that feeds you food as you ride.

• To design a bike that can fly.

• To invent a bike that plays music.

Why was a tricycle chosen instead of a bicycle for the project?

• Because the mechanism was easier to place at the back.

• Because tricycles are faster.

• Because tricycles are cheaper.

• Because tricycles are more stable.

What component is used to generate electricity for the food dispenser?

• An electric scooter motor.

• A wind turbine.

• A hand crank.

• A solar panel.

What type of motor is used to dispense the cakes?

• An AC motor.

• A DC motor.

• A servo motor.

• A stepper motor.

How is the stepper motor controlled in the cake dispensing mechanism?

• Manually with a switch.

• Through an Arduino programmed on a computer.

• With a smartphone app.

• Using a remote control.

What is the purpose of the conveyor belt in the invention?

• To move the bike forward.

• To transport the cakes to the cyclist's mouth.

• To power the bike.

• To decorate the bike.

What was the unexpected result of changing the stepper motor code?

• The motor spun super fast, causing cake to go everywhere.

• The motor made a loud noise.

• The motor stopped working.

• The motor moved in reverse.

What challenge did Ruth face while testing the cake dispensing bike?

• The bike was too noisy.

• Pedaling and generating electricity was hard work.

• The cakes were too heavy.

• The bike was too slow.

What was the main food item chosen for the cake dispensing bike?

• Cookies.

• Chocolate cake.

• Bakewell tarts and apple pie.

• Cupcakes.

What was the overall reaction to the completed invention?

• It was a failure.

• It was too expensive to build.

• It was too complicated to use.

• It was amazing and fun.