Electronics Worksheet: Project Planning
Remember (Input, process, output): Input = what is sensed (a reading, a button press). Process = what the program decides (compare with a limit, count). Output = what happens (pump on, buzzer, LED, phone alert). Plan → draw → build with an adult → test.
NameDateTime takenScore ___ / 40
- 1.🔍 Which is the odd one out? (a) the pump turns on (b) a button press (c) a motion sensor signal (d) a soil moisture reading
- 2.🗺️ In “input → process → output”, which part is the decision the program makes? (a) the output (b) the process (c) the input (d) the battery
- 3.Which of these is the input? (a) count button presses (b) a light level reading (c) the pump turns on (d) an alert on the phone
- 4.🔢 To run one loop of a plant-watering program, what comes right after “read the soil sensor”? (a) switch the pump on/off (b) wait a few seconds (c) compare with the limit
- 5.🔢 To plan an electronics project, what comes right after “pick a problem to solve”? (a) test it and fix it (b) list inputs and outputs (c) draw the circuit diagram (d) build it with an adult
- 6.True or false: “the pump turns on” is the output. (a) True (b) False
- 7.🗺️ In an input → process → output plan, is “compare with a limit” the input, the process or the output? (a) process (b) output (c) input
- 8.🔢 To run one loop of a plant-watering program, what comes right after “compare with the limit”? (a) wait a few seconds (b) read the soil sensor (c) switch the pump on/off
- 9.🗺️ In an input → process → output plan, is “a button press” the input, the process or the output? (a) input (b) process (c) output
- 10.🗺️ In an input → process → output plan, is “the fan starts” the input, the process or the output? (a) output (b) input (c) process
- 11.Which of these is the process? (a) a buzzer beeps (b) a temperature reading (c) a button press (d) count button presses
- 12.🗺️ In an input → process → output plan, is “count button presses” the input, the process or the output? (a) input (b) process (c) output
- 13.True or false: “a button press” is the process. (a) False (b) True
- 14.🔢 To plan an electronics project, which comes first: “draw the circuit diagram” or “test it and fix it”? (a) test it and fix it (b) draw the circuit diagram
- 15.True or false: “an alert on the phone” is the input. (a) True (b) False
- 16.🗺️ Before building a project, what should you write down first? (a) the box colour (b) the final price (c) inputs and outputs (d) nothing at all
- 17.True or false: “count button presses” is the input. (a) False (b) True
- 18.True or false: “the fan starts” is the input. (a) False (b) True
- 19.True or false: “a temperature reading” is the process. (a) True (b) False
- 20.🔢 To run one loop of a plant-watering program, which is the FIRST step? (a) switch the pump on/off (b) compare with the limit (c) wait a few seconds (d) read the soil sensor
- 21.🗺️ In an input → process → output plan, is “an LED lights up” the input, the process or the output? (a) input (b) output (c) process
- 22.Which of these is the output? (a) decide if soil is dry (b) the fan starts (c) count button presses (d) a temperature reading
- 23.🔢 To plan an electronics project, what comes right after “draw the circuit diagram”? (a) build it with an adult (b) list inputs and outputs (c) test it and fix it (d) pick a problem to solve
- 24.🗺️ In an input → process → output plan, is “the pump turns on” the input, the process or the output? (a) process (b) output (c) input
- 25.True or false: “decide if soil is dry” is the process. (a) True (b) False
- 26.Which of these is the input? (a) an alert on the phone (b) the pump turns on (c) a soil moisture reading (d) decide if soil is dry
- 27.True or false: “an LED lights up” is the input. (a) False (b) True
- 28.True or false: “a motion sensor signal” is the process. (a) True (b) False
- 29.🔍 Which is the odd one out? (a) check if temp > 30 (b) a motion sensor signal (c) count button presses (d) decide if soil is dry
- 30.Which of these is the input? (a) decide if soil is dry (b) a button press (c) compare with a limit (d) an LED lights up
- 31.True or false: “a light level reading” is the input. (a) False (b) True
- 32.Which of these is the process? (a) a buzzer beeps (b) a soil moisture reading (c) the pump turns on (d) check if temp > 30
- 33.🔢 To run one loop of a plant-watering program, which comes first: “read the soil sensor” or “compare with the limit”? (a) compare with the limit (b) read the soil sensor
- 34.🔍 Which is the odd one out? (a) a buzzer beeps (b) an LED lights up (c) a light level reading (d) the fan starts
- 35.🗺️ In an input → process → output plan, is “an alert on the phone” the input, the process or the output? (a) process (b) output (c) input
- 36.🔢 To plan an electronics project, what comes right after “build it with an adult”? (a) test it and fix it (b) draw the circuit diagram (c) pick a problem to solve (d) list inputs and outputs
- 37.🔢 To run one loop of a plant-watering program, which comes first: “switch the pump on/off” or “read the soil sensor”? (a) switch the pump on/off (b) read the soil sensor
- 38.True or false: “count button presses” is the process. (a) False (b) True
- 39.🗺️ In an input → process → output plan, is “decide if soil is dry” the input, the process or the output? (a) input (b) output (c) process
- 40.🔢 To run one loop of a plant-watering program, which comes first: “switch the pump on/off” or “compare with the limit”? (a) switch the pump on/off (b) compare with the limit
Answer key
- the pump turns on
- the process
- a light level reading
- compare with the limit
- list inputs and outputs
- True
- process
- switch the pump on/off
- input
- output
- count button presses
- process
- False
- draw the circuit diagram
- False
- inputs and outputs
- False
- False
- False
- read the soil sensor
- output
- the fan starts
- build it with an adult
- output
- True
- a soil moisture reading
- False
- False
- a motion sensor signal
- a button press
- True
- check if temp > 30
- read the soil sensor
- a light level reading
- output
- test it and fix it
- read the soil sensor
- True
- process
- compare with the limit
Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids