1. Physical systems include robotics, motors and _______.
2. Reasons why we use physical systems are explained. They enable us to explore places that humans can?t work and simulate environments are _______________.
3. Machines can often work more quickly and for longer periods of time.
4. The ultrasonic sensor is an ______ module on the mBot.
5. Sensors are input devices that ___________ about the physical environment around it.
6. Sensors could be programmed with both transmitters and _______________.
7. Motion (infra-red) Sensor detects (found on burglar alarm systems or automatic doors) detects
8. A temperature sensor (found in ovens and freezers)
9. A sound sensor detects
10. A __________ can detect the ambient light level, meaning how bright or dark it is.