Data Visualizations

These pre-made, introductory data science lessons are a way for students to develop critical thinking and problem solving skills. We start with a question, find an open dataset to answer the question, and then ask students to reflect.

Haven’t used a Callysto learning module before? Go to our Get Started guide before you begin.

Water quality in Canada

By callysto | April 5, 2023

How clean is Canada’s water? What the data shows Grades 9 – 12 Water quality can have a tremendous impact on every life form – from microorganisms, to wildlife, livestock, and humans – as well as on terrestrial ecosystems, climate, and nature. Statistics Canada collects water quality data from different aquatic ecosystems across the country. …

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Celebrating Black History Month

By callysto | February 24, 2023

A snapshot of African immigration to Canada in the 18th Century Grades 5 – 12 Context During the American Revolution, many people of African descent fled to the British side, and were relocated as free people of colour to communities in Canada, such as Nova Scotia. The British navy kept track of the names of …

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Air quality in Canada

By callysto | October 10, 2022

How did emissions of major air pollutants change over the last 30 years? Grades 9 – 12 According to Health Canada, every year air pollution contributes to the death of more than 15,000 people in Canada alone. In 2022, the Government of Canada launched an ambitious 2030 Emissions Reduction Plan, which aims to reduce pollutant …

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Food prices in Canada

By callysto | August 3, 2022

How has consumer product pricing changed in 2022? Grades 6 – 12 According to recent headlines (e.g. this CBC article), grocery prices in Canada are soaring. Is there any correlation between this surge in food prices and the Covid-19 pandemic? In this exercise, we investigated the monthly average retail price of common grocery store products …

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Fuel costs in Canada

By callysto | June 14, 2022

Are fuel costs in Canada reaching record highs? Grades 6 – 12 On March 3, 2022, CTV reported that gas prices have reached record highs across the country. Is this claim true? If so, how dramatic is the increase in fuel costs over the last few years? This week, we hope to inspire you with …

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MLB pitchers and pitch types

By callysto | April 14, 2021

Can MLB pitching statistics be used to visualize differences in pitch types? Grades 6-12 Major League Baseball (MLB) teams can have up to 13 pitchers on their roster during the regular season, and four to six of those are usually starting pitchers. Our goal is to use MLB data to see if there are numerical …

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Twitch popularity for gamers

By callysto | March 17, 2021

How many gamers stream their videos on Twitch? Twitch is an online streaming platform that allows users to stream their activities (like gaming or chatting) with a global audience. It is advertised as the “world’s leading place” for gamers to stream their services. And that is just what we wanted to investigate: is Twitch really …

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Among Us popularity

By callysto | March 10, 2021

When and how did “Among Us” become so popular? “Whodunit” board games like Clue have long been popular with kids. The same is now proving true with gaming apps. The online multiplayer game Among Us, which was released in June 2018, is a fun remix of the idea of “finding the imposter in the crowd”. …

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Time spent on video games

By callysto | March 3, 2021

How much time are Canadians spending on video games? What age levels spend the most time playing video games? And, how much is *too much* time playing video games? To answer our question we: Gathered data from Statistics Canada. Note, this data is from a 2010 survey so it would be interesting to see how …

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