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