In temperate regions, people can observe the annual change of seasons. In this activity, students will look for signs of autumn. They will also try an experiment to discover why leaves of deciduous trees change color in the fall.
This is one of 96 activities that can be found in PLT’s PreK-8 Environmental Education Activity Guide. To get the activity, attend a training either in person or online and receive PLT’s PreK-8 Guide. Below are some supporting resources for this activity.
Download the copyright-free student pages that are included with this activity:
Signs of Fall (PDF)
Spanish Student Page(s):
Senales de Otono (PDF)
Engage students in real-world applications of STEM (science, technology, engineering, math) education.
Try these STEM Connections for this PLT activity:
Expand your students’ learning and imaginations. Help students meet their reading goals, while building upon concepts learned in this activity, with the following children’s book recommendations:
Try a simple variation of this activity to engage children in the outdoors at home. Download this fun and easy-to-do family activity.
The following tools and resources may be used to enhance the activity.
Check out the Science of Seasons page from the Forest Service Northern Research Station. This extensive resource includes podcasts, research stories, and publications related to the impacts winter has on forest ecosystems. Learn why you should resist the temptation to call winter the “dormant season.” From the soil to hydrology to wildlife, there is much more going on in winter than meets the eye!
Discover the seasonal changes that are all around us! Follow animal migrations by observing, reporting, and tracking their travels across the hemisphere. Citizen scientists, across North America, share their own observations of migrations and other signs of the seasons. Journey North is a free online program and mobile app presented by Annenberg Learner.
Leafsnap is a free app that uses visual recognition software to help identify tree species from leaf photographs you take in the field. Leafsnap currently focuses on tree species found in the Northeastern United States and Canada, but expansion is underway to include all U.S. regions.
The US National Arboretum has collected online resources on the science of fall foliage. Resources include “The Science of Color in Autumn Leaves,” which describes how and why leaves change color; an extensive photo gallery of trees in fall color; and a list of “Selected Plants Providing Colorful Autumn Foliage.”
Print out pages containing many examples of everyday products from trees!
Project BudBurst is a network of people across the United States who monitor plants as seasons change. Use Project Learning Tree activities to get your students outside, and use Project BudBurst to help them see how their seasonal observations about plants compare to those being made all across the country. In addition to collecting scientifically useful data such as first leafing, first flower, and first fruit, students will understand the impacts of changing climates on plants and their phenology. Project Learning Tree and Project BudBurst have partnered to introduce students to citizen science as the observations and data needed for Project BudBurst are an easy addition to PLT’s GreenSchools School Site Investigation, as well as many other PLT PreK-8 activities, especially “Bursting Buds,” “Looking At Leaves,” and “Signs of Fall.”
Project FeederWatch encourages students to periodically count the birds they see at feeders in their schoolyard, backyard, or other locations from November through early April and to send their counts to Project FeederWatch. Project FeederWatch is operated by the Cornell Lab of Ornithology and Bird Studies Canada.
FrogWatch USA, the citizen science program of the Association of Zoos and Aquariums, encourages citizens to help conserve amphibians by reporting the calls of local frogs and toads. Ongoing analyses of these data have been used to help develop practical strategies for amphibian conservation.
The USA National Phenology Network brings together citizen scientists, government agencies, non-profit groups, educators, and students to monitor the effects of climate change on plants and animals in the United States. This website includes a variety of educational materials and lesson plans.
Check out this video, which captures 15 months of a forest’s life. This 3-minute time lapse video was created from 40,000 photographs. Photographer Samuel Orr took pictures out of the same window in his home to create this forest montage. This forest snapshot is just outside of Bloomington, Indiana and was photographed between 2006 and 2008.
Be the author, illustrator, and editor of your own literary adventure with Book Creator, an app that can be downloaded for the iPad from the iTunes store. Book Creator allows anyone to create and share their own journals, text books, children’s picture books and photobooks that can be designed with a multitude of text and image formatting options. This app offers a variety of printing and electronic sharing options that help its customers of all ages distribute their books to relatives, friends, and colleagues.
Want to go paperless in your classroom and experiment with digital note keeping? Read educator Nick Mitchell’s Scientific Teacher blog for ideas to transform the way you and your students take notes. This blog details using digital notebooks in the classroom, including basic information on why digital notebooks are useful and how to get started with free existing, provided templates.
When temperatures drop and days get shorter, trees start to prepare for the cold of the winter. How do different kinds of trees adapt to the cold? Take a closer look at trees and get children to investigate the seasonal changes!
There are lots of reasons to learn outside. If you are thinking about trying out teaching in the outdoors, check out these tips.
Visible and invisible changes happen in leaves this season. Explore these changes and how to use a classic PLT activity to teach about fall colors.
Nature is a fascinating environment to create fun, authentic learning experiences, especially when it comes to math concepts! Explore seven benefits of using nature and the outdoors to teach math.
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