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