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