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: “wait a few seconds” or “read the soil sensor”? (a) read the soil sensor (b) wait a few seconds
- 2.🔍 Which is the odd one out? (a) a light level reading (b) a soil moisture reading (c) the fan starts (d) a button press
- 3.🔢 To run one loop of a plant-watering program, which is the FIRST step? (a) read the soil sensor (b) wait a few seconds (c) compare with the limit (d) switch the pump on/off
- 4.🗺️ In an input → process → output plan, is “a motion sensor signal” the input, the process or the output? (a) output (b) process (c) input
- 5.True or false: “the fan starts” is the input. (a) False (b) True
- 6.Which of these is the process? (a) check if temp > 30 (b) a temperature reading (c) an alert on the phone (d) a button press
- 7.🔢 To plan an electronics project, which is the FIRST step? (a) draw the circuit diagram (b) pick a problem to solve (c) list inputs and outputs (d) build it with an adult
- 8.True or false: “a motion sensor signal” is the input. (a) False (b) True
- 9.🔍 Which is the odd one out? (a) a motion sensor signal (b) a light level reading (c) the pump turns on (d) a button press
- 10.🗺️ In an input → process → output plan, is “a light level reading” the input, the process or the output? (a) process (b) input (c) output
- 11.Which of these is the output? (a) decide if soil is dry (b) count button presses (c) a buzzer beeps (d) a temperature reading
- 12.Which of these is the input? (a) compare with a limit (b) an alert on the phone (c) the fan starts (d) a soil moisture reading
- 13.🔢 To plan an electronics project, which is the LAST step? (a) pick a problem to solve (b) list inputs and outputs (c) test it and fix it (d) build it with an adult
- 14.🗺️ In an input → process → output plan, is “an alert on the phone” the input, the process or the output? (a) output (b) input (c) process
- 15.🗺️ In “input → process → output”, which part is the decision the program makes? (a) the battery (b) the input (c) the process (d) the output
- 16.🔍 Which is the odd one out? (a) the pump turns on (b) a motion sensor signal (c) the fan starts (d) a buzzer beeps
- 17.🔢 To run one loop of a plant-watering program, which comes first: “compare with the limit” or “switch the pump on/off”? (a) switch the pump on/off (b) compare with the limit
- 18.True or false: “a temperature reading” is the process. (a) False (b) True
- 19.🔢 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
- 20.🗺️ In an input → process → output plan, is “the pump turns on” the input, the process or the output? (a) output (b) input (c) process
- 21.True or false: “check if temp > 30” is the process. (a) True (b) False
- 22.True or false: “the fan starts” is the output. (a) False (b) True
- 23.🗺️ 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
- 24.🔍 Which is the odd one out? (a) a buzzer beeps (b) the fan starts (c) count button presses (d) the pump turns on
- 25.True or false: “check if temp > 30” is the output. (a) False (b) True
- 26.True or false: “count button presses” is the output. (a) False (b) True
- 27.🗺️ In an input → process → output plan, is “check if temp > 30” the input, the process or the output? (a) input (b) output (c) process
- 28.🔢 To plan an electronics project, what comes right after “list inputs and outputs”? (a) pick a problem to solve (b) build it with an adult (c) draw the circuit diagram (d) test it and fix it
- 29.🔢 To run one loop of a plant-watering program, which is the LAST step? (a) wait a few seconds (b) switch the pump on/off (c) read the soil sensor (d) compare with the limit
- 30.🔍 Which is the odd one out? (a) count button presses (b) compare with a limit (c) a buzzer beeps (d) decide if soil is dry
- 31.True or false: “compare with a limit” is the process. (a) False (b) True
- 32.🔢 To plan an electronics project, what comes right after “draw the circuit diagram”? (a) test it and fix it (b) list inputs and outputs (c) build it with an adult (d) pick a problem to solve
- 33.Which of these is the input? (a) a motion sensor signal (b) an LED lights up (c) check if temp > 30 (d) an alert on the phone
- 34.🗺️ In an input → process → output plan, is “a soil moisture reading” the input, the process or the output? (a) output (b) process (c) input
- 35.True or false: “an LED lights up” is the input. (a) True (b) False
- 36.Which of these is the output? (a) a light level reading (b) an LED lights up (c) a button press (d) a temperature reading
- 37.🔢 To run one loop of a plant-watering program, which comes first: “wait a few seconds” or “compare with the limit”? (a) wait a few seconds (b) compare with the limit
- 38.True or false: “a button press” is the input. (a) True (b) False
- 39.🔢 To run one loop of a plant-watering program, what comes right after “compare with the limit”? (a) read the soil sensor (b) wait a few seconds (c) switch the pump on/off
- 40.🗺️ In an input → process → output plan, is “a buzzer beeps” the input, the process or the output? (a) output (b) process (c) input
Answer key
- read the soil sensor
- the fan starts
- read the soil sensor
- input
- False
- check if temp > 30
- pick a problem to solve
- True
- the pump turns on
- input
- a buzzer beeps
- a soil moisture reading
- test it and fix it
- output
- the process
- a motion sensor signal
- compare with the limit
- False
- read the soil sensor
- output
- True
- True
- inputs and outputs
- count button presses
- False
- False
- process
- draw the circuit diagram
- wait a few seconds
- a buzzer beeps
- True
- build it with an adult
- a motion sensor signal
- input
- False
- an LED lights up
- compare with the limit
- True
- switch the pump on/off
- output
Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids