Curated OER
A Frog's Life Story
Students examine a frog's life cycle. In this amphibians lesson, students read a book about frogs and discuss how frogs are born and how they grow. Students complete worksheets on the life cycle of the frog, and hold a discussion on the...
Curated OER
Butterfly Life Cycle
Second graders explore biology. In this life cycle lesson, 2nd graders act out the stages a caterpillar goes through to become a butterfly. They spend days prior to this lesson observing caterpillars they have collected and developing...
Curated OER
Mosquito Life Cycles
High schoolers gather mosquito eggs to record the mosquito life cycle using drawings, descriptions, and any other appropriate means. In small groups, they analyze and describe the process of complete metamorphosis. They classify...
Curated OER
Pharaoh Mountain Hike: Investigating Adirondack Life Zones
Students hike a local mountain and examine its life zones. They measure various components at each zone and collect leaf litter at the sites. At the mountain top, students make descriptive observations and complete a handout about the...
Curated OER
A Tree of Life Activity
High schoolers solve a mystery of the identification of a unknown organism by comparing its morphological characteristics to those in a tree of life classification poster. They compare the observable characteristics of the specimen and...
Curated OER
How Does Your Tree Measure Up?
Students work in pairs or small groups to gather data about a tree. Each group might gather data about a different tree; all groups might collect data about the same tree; or two teams might gather data about each tree and compare their...
Curated OER
AP: Chapter 25: Phylogeny and Systematics
As a review or note taking guide, this resource wraps up a unit on the tree of life. Biology bigwigs define phylogeny and answer questions about the subsequent classification of organisms. The learning exercise takes a straightforward...
Curated OER
Which Way is Up? The Tree of Life in Africa
Learners read a book titled This is the Tree about a baobab tree and draw a picture and label the tree. For this tree lesson plan, students also write a paragraph explaining why they drew that tree.
Curated OER
Tree Cookies
Students identify heartwood, sapwood, and a tree's annual rings, infer from a tree's rings what damage or stress might have occurred in its life, and make a time-line of human history that coincides with a tree's rings.
Curated OER
Death and Recovery
Mount St. Helens erupted on May 18, 1980, devastating plant and animal life for miles around. Two activities are included in this lesson plan. In one, learners evaluate tree rings to determine the age of a tree and the year of a volcano....
Exploring Nature Educational Resources
Building A Classroom Food Web
From bears and owls to chipmunks and trees, all life depends on the sun for the energy to survive. Young biologists develop an understanding of this big idea as they arrange this series of plant and animal picture cards into food webs...
Curated OER
Bliss Butterflies Activity Sheet
In this life science worksheet, students examine the 4 stages of the butterfly's life cycle and color in the black line pictures. They read the difference between symmetrical and asymmetrical objects before they complete symmetrical...
Howard Hughes Medical Institute
Skeletons Reveal Human and Chimpanzee Evolution
Ardipithecus ramidus shares features with both humans and chimpanzees. Learn about where Ardi, humans, and chimps fit in the tree of life by comparing anatomical features including the foot, pelvis, and teeth. After exploring those...
Core Knowledge Foundation
Plants Tell It Again!™ Read-Aloud Anthology
A 190-page anthology explores the life and parts of plants, flowers, and trees while boosting reading comprehension skills. Literature and informational texts showcase Johnny Appleseed and George Washington Carver. Lessons follow the...
Mathematics Assessment Project
Sampling and Estimating: Counting Trees
Your task today: count all the trees on a tree farm. To complete the assignment, learners first estimate the number of trees on a tree farm using random sampling. To improve their own response they then evaluate provided responses to the...
Computer Science Unplugged
The Muddy City—Minimal Spanning Trees
What is the most efficient way to ensure everyone is connected? Individual pupils determine the least expensive route to pave roads in a fictional city. In doing so, they learn to find the minimal spanning tree for the situation. They...
Tech Museum of Innovation
Tree House Escape
Use simple machines to escape from a tree house. Pupils learn about simple machines and how they are useful in everyday life in a STEM lesson. Groups then design a device to rescue a friend stuck in a tree house.
Desert Discovery
Life Cycle of the Saguaro
Third graders make books which illustrate the growth and development of a saguaro cactus from its beginnings as a seed all the way through its death. They trace the life cycle of the saguaro, identify each of the stages in its life, and...
Curated OER
Life Cycle of Trees
For this Life Cycle of Trees worksheet, students read one page about the life cycle of a trees. Students define 12 terms from the reading.
Curated OER
Temperate Forest: Comparing Deciduous and Evergreen Trees
Students compare deciduous and evergreen trees. In this tree lesson, students list the differences between these two species of trees.
Curated OER
Trees: The Inside Story
Students explore trees. In this math lesson, students identify the basic parts of trees. Students create a model of a tree and label the parts.
Curated OER
Build A Tree
Students study the different parts of a tree and the significance of each part. In this build a tree lesson, students use role-playing theater to reinforce what they are learning. Students use their imagination to become tree parts with...
Curated OER
How Many Trees Can You Grow?
Students solve a story problem about how many trees can be planted in a given area. Using a map, they gather information about the size of the area and the dimensions of an acre. They use a specific equation to determine the area of...
Curated OER
What Tree is That?
Students examine leaves and the trees in their neighborhood that they came from. In this ecology lesson, students read the book, I Can Name 50 Trees Today, and discuss how a tree goes from a forest to a wood shop. Students find a tree...
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