New
New
Year 4

Using data loggers to collect data

I can explain that a data logger collects data points from sensors over time.

New
New
Year 4

Using data loggers to collect data

I can explain that a data logger collects data points from sensors over time.

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Lesson details

Key learning points

  1. A data logger is a digital device that can automatically record data from sensors over a period of time.
  2. Data loggers take readings at set intervals (e.g., every 1 second, 5 minutes, or 1 hour).
  3. The timing of these intervals affects how detailed the collected data will be.
  4. Shorter intervals give more detailed data, but require more storage.
  5. Using this data, you can identify and explain patterns shown in the data.

Keywords

  • Logging - capturing and displaying or storing data points (usually over time)

  • Data point - a discrete piece of data, often part of a data set

  • Interval - the time between data readings

Common misconception

Shorter intervals give less detailed data.

If you were to take your temperature every minute, you would have more detailed data than if you took your temperature every hour because there would be more readings.


To help you plan your year 4 computing lesson on: Using data loggers to collect data, download all teaching resources for free and adapt to suit your pupils' needs...

Try using two different groups to collect data at different intervals. Compare the results to see the different effects of different rates of sampling.
Teacher tip

Equipment

This lesson is designed around the use of a TTS data logger. If you don’t have access to data loggers, a lot of the activities can be completed using tablet computers and apps.

Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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Prior knowledge starter quiz

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6 Questions

Q1.
What is the main purpose of a data logger?
to play games
to print documents
to connect to the internet
Correct answer: to record data using sensors
Q2.
Match the keyword to its description:
Correct Answer:input device,sends data to a computer

sends data to a computer

Correct Answer:sensor,collects data from the environment

collects data from the environment

Correct Answer:data logger,records data from sensors

records data from sensors

Q3.
Which of these is an example of a sensor?
printer
mouse
Correct answer: thermometer
monitor
Q4.
What type of device is a sensor?
Correct Answer: input, input device
Q5.
Which of these could a sensor NOT measure?
Correct answer: taste
light
movement
temperature
Q6.
Put these steps in order for collecting temperature data with a data logger:
1 - place the sensor in the environment
2 - set the data logger to record
3 - collect temperature readings
4 - analyse the data

Assessment exit quiz

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6 Questions

Q1.
What is the term for a single reading collected by a sensor during an experiment?
Correct Answer: data point
Q2.
If a data logger takes readings every minute, what will you have compared to readings every hour?
fewer data points
less storage used
Correct answer: more detailed data
no difference
Q3.
Which of these is NOT a reason to use a data logger?
to collect data automatically
to make data collection more accurate
Correct answer: to play games
to collect data over a long time
Q4.
Put these steps in order for using a data logger to collect data:
1 - place the sensor
2 - set the interval
3 - start the data logger
4 - analyse the data
Q5.
Match each measurement unit to what it measures:
Correct Answer:lux,brightness of light

brightness of light

Correct Answer:decibels,loudness of sound

loudness of sound

Correct Answer:degrees,temperature

temperature

Q6.
If the interval is too long, what might you miss?
Correct answer: patterns in the data
the colour of the data logger
the battery type
the label on the sensor