Krista Pooley
Environmental Assessment Coordinator
![Sheridan Thompson sur une falaise rocheuse](/sites/default/files/styles/career_image/public/2020-01/Sherida%20Thompson.jpg?itok=rfrdPBCc)
Sheridan Thompson (she/her/they/them)
Career Profiles
Doctoral Candidate
![Why is rain not salty?](/sites/default/files/2019-08/why-is-rain-not-salty.jpg)
Why is rain not salty?
Hands-on Activities
Make a model of the water cycle and find out how water moves around on planet Earth.
![What makes soil hard and compacted?](/sites/default/files/2019-08/what-makes-soil-hard-and-compacted.jpg)
What makes soil hard and compacted?
Hands-on Activities
Explore how walking on soil changes how water soaks into the ground and why that matters to gardeners and farmers.
![What is the best way to clean up an oil spill?](/sites/default/files/2019-08/what-is-the-best-way-to-clean-up-an-oil-spill.jpg)
What is the best way to clean up an oil spill?
Hands-on Activities
Learn about the properties of materials and the challenges of cleaning up an oil spill in this activity.
![What is the Greenhouse Effect?](/sites/default/files/2019-08/what-is-the-greenhouse-effect.jpg)
What is the Greenhouse Effect?
Hands-on Activities
Explore the greenhouse effect and learn about the impacts it can have on the environment.
![What are the best materials to use for cleaning water?](/sites/default/files/2019-08/what-are-the-best-materials-to-use-for-cleaning-water.jpg)
What are the best materials to use for cleaning water?
Hands-on Activities
Water is a precious natural resource. What happens if it gets polluted? Learn how water can be cleaned with this hands-on activity?
![Colourful Maple Tree](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/Colours_of_a_Maple_Tree.jpg?itok=A1hH0Sf3)
Trees: In Autumn
Picture Collections
10 images showing some scenes with coniferous and deciduous trees in the fall or autumn season
![New Leaf Growth New Leaf Growth](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1415650397341-5e39d7a20b12.jpg?itok=XnZWUhBd)
Trees: In Spring
Picture Collections
10 images of some coniferous and deciduous trees showing new growth in the spring season
![Hazy Summer Day By The River Hazy Summer Day By The River](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1446714276218-bd84d334af98.jpg?itok=zlv8lQbm)
Trees: In Summer
Picture Collections
9 images showing some scenes with coniferous and deciduous trees in the summer
![Trees: In Winter](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1444136755757-b24e7e5c4cd5.jpg?itok=_B1xrqz1)
Trees: In Winter
Picture Collections
10 images of various winter scenes showing some coniferous and deciduous trees in snowy conditions
![various marine microorganisms as they appear under a microscope](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/marine_microorganisms.jpg?itok=MgdaDkhz)
Marine Microbiology: Meet the Microbes of the Sea!
STEM Explained
The ocean is full of very small but very useful creatures called microbes. Without them, none of the sea plants or animals you’ve seen would exist!
![Boreal Forest Boreal Forest](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1434394566634-da0fa7e334b8.jpg?itok=vRRjTv2B)
Plants: Biomes
Picture Collections
9 images of plants in some large naturally occuring habitats called biomes such as tundra, grasslands and boreal forests
![Swallowtail butterfly Swallowtail butterfly](/sites/default/files/styles/resource_card_image_360x300_/public/6595-9.jpg?itok=M5gZz-7j)
Insects: Part 2
Picture Collections
10 images of some animals that have 6 legs and 3 main body parts consisting of a head, thorax and abdomen.
![Jellyfish Jellyfish](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1449439330640-8b0f943e031b.jpg?itok=7g-jctsR)
Invertebrates: Marine
Picture Collections
8 images of some invertebrate animals such as sea anemones, coral and jellyfish that live in a marine environment