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