English
Average Lifespan of Some Long-Living Animals
graph published in Science World; slow reveal by Jenna Laib
French:
Durée de vie moyenne de certains animaux à longue longévité
par Science World; dévoilement progressif — Jenna Laib
Type of Graph: bar graph
Purpose
This slow reveal is designed to support analysis and discussion of both the data and the design choices. The questions in the slide deck invite learners to examine trends, relationships, and possible interpretations. This graph focuses on reading a scaled bar graph (grades 3+), and estimating values for bars that fall between two marked intervals. There are also connections to science content.
Cette présentation progressive est conçue pour favoriser l’analyse et la discussion, tant des données que des choix de conception. Les questions figurant dans le diaporama invitent les apprenants à examiner les tendances, les relations et les interprétations possibles. Ce graphique met l’accent sur la lecture d’un diagramme à barres gradué (à partir de la 3e année) et sur l’estimation des valeurs des barres situées entre deux intervalles marqués. Des liens sont également établis avec des contenus scientifiques.
About This Graph
This visualization is not provided for reuse or redistribution. Readers and educators are encouraged to view the original visualization in its published context.
Cette visualisation n’est pas fournie à des fins de réutilisation ou de redistribution. Les lecteurs et les éducateurs sont invités à consulter la visualisation originale dans son contexte de publication.
Original Visualization:
Mendelsohn, Kohava. “Secrets of the World’s Oldest Sharks” Science World: January 20. Accessed at: https://scienceworld.scholastic.com/issues/2024-25/012025/oldest-sharks.html
Data Sources:
- Nielsen, J. et al. (2016). Eye lens radiocarbon reveals centuries of longevity in the Greenland shark (Somniosus microcephalus). Science, 353(6300), 702–704.
DOI: 10.1126/science.aaf1703 - USGS (Tubeworm, Ocean Quahog Clam, Glass Sponge)
- Roark, E.B., Guilderson, T.P., Dunbar, R.B., & Fallon, S.J. (2009/2012). Extreme longevity in proteinaceous deep-sea corals. Chemical Geology, 269(3–4), 205–214.
DOI: 10.1016/j.chemgeo.2009.09.012


In The Classroom
There are many different mathematical connections that can be made to this data and data visualization.
Potential Math Content: bar graph, scaled bar graph, estimating values, comparing values, magnitude, place value
Potential Content Connections: animals, marine life, life science,
Discover more from Slow Reveal Graphs
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The link takes us to 100 highest paid athletes (which was also very cool) but I’m very interested in the animals. 🙂
Thanks, Diana! It’s fixed! (I love the greenland shark.)