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Selecting Search Results

This Barefoot Computing primary school resource helps children to Understand how search engines work. By acting as a ‘web crawler’ and collecting information across a small selection of web pages, they learn what in data is indexed by search engines and how this is used when a search query is received. As well as...

The Safety Deposit Vault

This is an exercise with complex spreadsheets and mail-merged documents. It is based on an actual implementation in a vaut with over 1500 boxes of different sizes.

The simplified example uses nine boxes of three different sizes, each has the price for annual box rental.

Also recorded are the renters'...

Introduction to big data

A detailed presentation from Ben Houghton, data scientist at Barclays PLC. It is good introduction to Big Data and the three Vs (volume, variety and velocity). Other topics covered are machine learning and its use in fraud detection, legal and data privacy challenges and technology bottle necks caused by...

Science Debate Kits

Find resources and download free Debate Kits: debate.imascientist.org.uk

These Science Debate Kits give teachers everything they needed to run a debate on a set topic and help their students develop their evaluation skills. The activities provide a structured way to start...

Introduction to sound and music computing

A highly technical overview of how sound is represented in a computer, how digitising sound changes the quality of it and how reducing the sample rates can effect the resulting audio. The resource also comes with a number of sound samples to illustrate these concepts, along with both Python and Scratch programs to...

Computational thinking and algorithms

An unplugged activity to convert binary numbers into coordinates that enable students to recreate an image using values given in binary. The resource also includes a spreadsheet which can be used to make more complex images for use with students at a more advanced level. The presentation is more of a discussion of...

Making data digital

This resource looks at various ways at how digital images and sounds are quantified in such a way that the computer can store and interpret them. This looks at the effects of digitising different types of data, and the effect that this has on both the size and the quality of the resulting files. It may be necessary...

Bitmap canvas editor in Excel

Although this resource does not contain any instructions for how to use it in a lesson, or lesson plans to go with it, it could easily be used to support the delivery of other activities as students learn about how images are created and stored, as well as how they are represented in the memory of a computer....

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