What do a bicycle, a crane, and a robot vacuum have in common?

• They are all used for cleaning.

• They all make our lives easier.

• They are all types of robots.

• They can all dance.

Which of the following is an example of a simple machine?

• Car

• Bicycle

• Elevator

• Scissors

What makes a bicycle a complex machine?

• It has a motor.

• It is used for transportation.

• It is made up of multiple simple machines.

• It can operate autonomously.

How do robots differ from regular machines?

• They are only used in factories.

• They are always larger than machines.

• They can perform tasks autonomously.

• They require human control at all times.

Which of the following is an example of a robot?

• Scissors

• Washing machine

• Drone

• Bicycle