PLTW Robotics Final Exam

What is the main idea of the passage?

• Robots are replacing humans in all jobs.

• Robots are used in many environments and are improving with technology.

• Robots can only work in factories.

• Robots are too expensive for regular use.

According to the passage, which of the following is NOT a place where robots are commonly used?

• Manufacturing plants

• Homes

• Schools

• Space

What does “autonomous” mean in the context of robotics?

• Controlled by a human using a remote

• Programmed to move randomly

• Able to operate independently

• Built by a human with tools

Which step of the Engineering Design Process comes after planning?

• Improving

• Testing

• Building

• Researching

What is the main function of gears in a robot?

• To control electricity

• To manage speed and force

• To power batteries

• To connect sensors to the brain

If a robot needs to lift something heavy, what type of gear setup is best?

• Large gear driving small gear

• Small gear driving large gear

• Two equal-sized gears

• No gears at all

When a large gear turns a small gear, what happens to speed and torque?

• Speed increases, torque increases

• Speed decreases, torque increases

• Speed increases, torque decreases

• Speed and torque stay the same

Which mechanical system helps lift weight by spreading out the effort over distance?

• Gear

• Pulley

• Sensor

• Motor

What is one advantage of block-based coding for students?

• It requires no internet

• It helps robots recharge

• It is easier to understand than text coding

• It allows students to build motors

What does an ultrasonic sensor detect?

• Light

• Sound

• Temperature

• Distance