![Why do leaves change colour in the fall?](/sites/default/files/2019-08/wiki-autumnleaf.jpg)
Why do leaves change colour in the fall?
Hands-on Activities
How do the green leaves of summer change to vibrant colours in fall? Explore plant pigments in this chromatography 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
![Apple Picking Apple Picking](/sites/default/files/styles/resource_card_image_360x300_/public/Apple-Picking.jpg?itok=cqqitRab)
Seasonal Activities: Autumn
Picture Collections
10 images of some activities that may happen in the fall such as picking pumpkins and apples, and raking leaves
![Bay Leaf Bay Leaf](/sites/default/files/styles/resource_card_image_360x300_/public/Bay_tree_leaves.jpg?itok=einhh8m7)
Plants: Leaves
Picture Collections
15 images of some shapes and colours of plant leaves such as shamrocks, purple beech tree leaves and Japanese Maple tree leaves.
![Leaves Covered In Frost Leaves Covered In Frost](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1440418230152-f781d493929a.jpg?itok=OELPdU0l)
Leaves: In Winter
Picture Collections
10 images of leaves in various winter conditions such as being covered in frost, snow and ice
![How does water move up a plant?](/sites/default/files/2019-08/how-does-water-move-up-a-plant.jpg)
How does water move up a plant?
Hands-on Activities
Do an experiment with celery to learn about the structures that help plants take up water.
![How do I construct a terrarium?](/sites/default/files/2019-08/how-do-i-construct-a-terrarium.jpg)
How do I construct a terrarium?
Hands-on Activities
You can make your own terrarium for growing plants!
![Kevin Hill - Regional Maintainer Forestry](/sites/default/files/styles/career_image/public/2019-08/Kevin%20Hill_14.jpg?itok=mgpmyDsR)
Kevin Hill (Video)
Regional Maintainer
![Timea Filer - Urban Forestry Field Technologist](/sites/default/files/styles/career_image/public/2019-08/Timea%20Filer_28.jpg?itok=fEY8NK3Q)
Timea Filer (Video)
Career Profiles
Urban Forestry Field Technologist
![Timea Filer | Urban Forestry Field Technician Timea Filer | Technicienne de terrain en foresterie urbaine](/sites/default/files/styles/career_image/public/Timea%20Filer_26.jpg?itok=isJEd7as)
Timea Filer
Career Profiles
Urban Forestry Field Technician, City of Guelph
![Kevin Hill | Regional Maintainer (Forestry) Kevin Hill | Agent d’entretien régional en foresterie](/sites/default/files/styles/career_image/public/Kevin%20Hill_13.jpg?itok=yuKchf1z)
Kevin Hill
Career Profiles
Regional Maintainer (Forestry)
![Heather Dover | Arborist Heather Dover | Arboricultrice](/sites/default/files/styles/career_image/public/Heather%20Dover_13.jpg?itok=kijAxCZD)
Heather Dover
Career Profiles
Arborist