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