Pedometer Parts

In the picture

1. 1Motion sensor: detects movement and changes it into an electrical signal
2. 2Processor chip: counts signal pulses and adds them as steps
3. 3Display panel: shows the number of steps

Examples

• A fitness tracker counting steps on a walk
• A phone in your pocket recording steps as you move

Quiz: Pedometer Parts (Age 12)

1. 1

   In a pedometer, what must happen before steps can be counted?

   • The processor chip must count the pulses.
   • Movement must be sensed.
   • The step count must be shown on the display.
2. 2

   What is the job of the processor chip in a pedometer?

   • It detects movement and changes it into an electrical signal.
   • It counts signal pulses and adds them as steps.
   • It shows the number of steps.
3. 3

   Where does the counting happen before the result appears on the display?

   • In the motion sensor
   • On the display panel
   • Inside the processor chip

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.