This five-day unit helps elementary students answer the question, “How do animals prepare for winter?” Students investigate hibernation as one response to cold, snow, and reduced food, then compare it with migration, storing food, and remaining active or adapting to winter conditions. By the final day, each student explains one animal’s winter challenge, strategy, and survival benefit using evidence from class activities.
Unit overview
The sequence combines observation, a simple body-process model, comparison, and an evidence-based explanation. It can be used with pre-K through second grade by emphasizing pictures, oral language, and drawing, or with grades 3–5 by requiring evidence and connections to adaptation. The National Park Service’s Preparing for Winter lesson is identified for lower elementary, while the Denali National Park and Preserve “What Would You Do: Winter Wildlife Distance Learning” resource targets grades 3–5 and identifies NGSS 3-LS4-3 and 4-LS1-1. Confirm your local standards before teaching.
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| Item | Plan |
|---|---|
| Length | Five class periods; adjust each session to your schedule |
| Driving question | How do animals prepare for winter? |
| Core concepts | Seasonal challenges, hibernation, migration, food storage, and tolerating or adapting to winter |
| Student product | A drawing, short paragraph, or oral explanation about one animal |
| Materials | Animal photographs or cards, chart paper, markers, student science notebooks, a simple timer for optional pulse counting, and a three-column comparison chart |
What students should understand
Winter creates a problem to solve
Cold temperatures, deep snow, and less available food can make survival more difficult. Animals do not respond in one universal way. A useful lesson begins with the challenge and then asks what behavior or body adaptation could help an animal meet it.
Hibernation is a specific strategy
Hibernation includes a major reduction in activity and energy use. National Geographic Education describes reduced metabolism and body cooling. Present those ideas in child-friendly language: the animal’s body works more slowly and uses less energy for a period of time. Do not imply that every hibernating species has identical body changes or that every animal that is quiet in winter is hibernating.
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Other strategies can work too
Migration moves an animal to a place where conditions or food are more favorable. Some animals remain in their seasonal habitat and tolerate or adapt to winter conditions. Others store food before or during winter. Food storage is not the same process as hibernation; it is a way to make food available when finding it is difficult.
| Seasonal challenge | Strategy to investigate | What students look for |
|---|---|---|
| Cold, snow, or scarce food | Hibernation | Lower activity and energy use; body processes may slow |
| Unfavorable local conditions | Migration | Movement to another area for better seasonal conditions |
| Food is difficult to find later | Storing food | A supply gathered ahead of time or kept for winter use |
| Winter remains manageable in place | Tolerating or adapting | Behavior or physical features that help the animal remain active or survive locally |
Prepare before the first class
- Select images. Gather clear photographs or illustrations showing winter landscapes and animals. Include an Arctic ground squirrel, wood frog, caribou, grizzly bear, ptarmigan, vole, golden eagle, and honeybees if those examples are available in your classroom resources. The Denali program provides the comparison set; use its descriptions rather than guessing a strategy from an animal’s appearance.
- Make a prediction chart. Draw columns headed “What changes in winter?”, “What might an animal do?”, and “Why could that help?” Leave space for students’ ideas before introducing scientific terms.
- Prepare a body-process model. Plan a short pulse-counting or diagram activity based on the National Park Service lesson. Explain that the activity is an analogy for slowed body processes, not a measurement of an actual hibernating animal.
- Set up evidence recording. Give each student a notebook page with three prompts: winter challenge, strategy, and evidence. Younger students can draw in each box and dictate a sentence.
- Choose accessible examples. Connect the unit to wildlife students know locally, but keep the central examples consistent enough that children can compare strategies across the week.
Day 1: Identify the winter challenge
Goal
Students notice seasonal changes and propose ways animals might respond before learning the word hibernation.
Lesson sequence
- Display a winter landscape and two or three animal images. Ask, “What changes when winter arrives?” Accept observations such as colder air, snow, shorter days, or difficulty finding food.
- Ask, “What would you do if your food were harder to find?” Let students suggest moving, saving food, finding shelter, or using less energy. Explain that animals also have different solutions.
- Introduce the essential question, “How do animals prepare for winter?” Record every idea without labeling it correct or incorrect yet.
- Sort student suggestions into broad categories: move away, slow down, store food, or stay and cope. Tell students that the class will test these categories with animal examples over the next four days.
- Have students draw one animal and predict its winter strategy. Collect the drawings as a baseline for later comparison.
Evidence of learning
Listen for a connection between a winter condition and a proposed response. A child does not need the term hibernation yet; the important first step is recognizing that winter presents a survival challenge.
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Day 2: What hibernation means
Goal
Students describe hibernation as a period of greatly reduced activity and energy use and connect that strategy to limited winter food.
Lesson sequence
- Show an Arctic ground squirrel or groundhog image. Revisit the prediction chart and ask why using less energy could matter when food is scarce.
- Introduce the terms hibernation, metabolism, and body cooling in simple language. Say: “During hibernation, some animals’ bodies slow down, use less energy, and become cooler. The details are not identical for every species.”
- Model a pulse-counting activity. Students quietly feel their own pulse, count for a brief timed interval, and then compare the idea with a diagram showing a slower heartbeat during a resting state. Make clear that children are modeling a change in body processes; they are not becoming hibernating animals and are not measuring a groundhog.
- Ask students to draw the animal before and during hibernation. Require labels such as “less active,” “uses less energy,” or “food is harder to find.”
- Read or summarize the relevant National Park Service and National Geographic Education explanations, pausing whenever students confuse sleep with the broader body changes of hibernation.
Teacher language for accuracy
Use “can” and “may” when discussing body changes. Avoid saying that all hibernators sleep continuously, that hibernation is simply a long nap, or that every winter sheltering animal hibernates.
Day 3: Compare hibernation, migration, and staying active
Goal
Students classify examples by strategy and defend a classification with evidence rather than by appearance or guesswork.
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Lesson sequence
- Prepare cards for the Denali examples: Arctic ground squirrel, wood frog, caribou, grizzly bear, ptarmigan, vole, and golden eagle. Add a card for “local animal” if students can supply a documented example from your area.
- Label three areas of the room hibernate, migrate, and remain active or adapt. Explain that a card belongs in a category only when the class can state what the animal does and how that could help.
- Place Arctic ground squirrel and wood frog in the hibernation discussion, and caribou in the migration discussion, using the Denali resource’s descriptions. For the other examples, have students consult the descriptions and identify the evidence before deciding where each belongs.
- For every card, ask three questions: What is the winter challenge? What does the animal do or what changes in its body? How could that help survival?
- Let groups revise their placements after hearing another group’s evidence. A revised answer is productive if students can explain what new evidence changed their thinking.
Extension for grades 3–5
Ask students to write a claim-evidence-reasoning statement: “This animal uses ___ because ___. The evidence is ___.” Younger students can complete the sentence orally with a partner.
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Goal
Students distinguish storing food from hibernation and compare both approaches using the same three analytical questions.
Lesson sequence
- Introduce honeybees as the National Park Service lesson’s example of animals keeping winter food stores. Ask what problem a stored supply solves.
- Build a class chart with the headings “challenge,” “strategy,” and “how it may help.” Complete one row for honeybees and one for an animal that hibernates.
- Have pairs add a migration row for caribou. Require each pair to use a different verb: store, slow, or move. This reinforces that the strategies are not interchangeable.
- Invite students to role-play a planning meeting: one child represents an animal that stores food, one represents an animal that hibernates, and one represents an animal that migrates. Each explains what it does when winter changes food access.
- Return to the Day 1 predictions. Students circle an idea they would keep, cross out an idea they would revise, and explain why.
Misconception check
Ask, “If an animal has food stored, is it hibernating?” The expected answer is no. Storage concerns access to food; hibernation concerns a sustained change in activity and body processes. An animal could have a winter food supply without hibernating.
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Day 5: Explain one animal with evidence
Goal
Students synthesize the unit by connecting one animal, one winter challenge, one strategy, and one survival benefit.
Student task
- Students choose an animal studied during the week.
- They complete a planning frame: “Winter makes ___ difficult because ___. My animal ___ (hibernates, migrates, stores food, or remains active/adapts). This may help because ___. My evidence is ___.”
- Students select a format: labeled drawing, short paragraph, or one-minute oral explanation. Encourage a diagram showing the seasonal challenge and the response.
- Pairs rehearse explanations. The listener must ask, “What evidence supports that strategy?”
- Students present to the class, a small group, or a recorded listening station. Display work under the four strategy headings.
Simple assessment rubric
| Criterion | Meets the goal | Developing |
|---|---|---|
| Challenge | Names a winter condition such as cold, snow, or less available food | Mentions winter without identifying a condition |
| Strategy | Correctly identifies and describes the animal’s response | Names a strategy but confuses it with another |
| Survival connection | Explains how the response could help the animal survive | States what happens without explaining why it helps |
| Evidence | Refers to an observation, card, diagram, or class discussion | Gives an unsupported guess |
Differentiate for age, language, and access
Pre-K through grade 2
Use large images, gestures, repeated sentence frames, and oral answers. Limit the first sort to “slow down,” “move,” and “save food.” Let children draw an animal’s winter problem and dictate the explanation to an adult or partner.
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Grades 3–5
Require students to cite the specific observation that supports a category, compare two animals in writing, and explain why the same strategy would not suit every species. Invite students to connect the Denali examples to NGSS practices used by your district, while checking local standards rather than assuming universal alignment.
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Multilingual learners and students needing additional support
Preteach picture-supported words: challenge, strategy, hibernate, migrate, store, and survive. Offer bilingual labels where appropriate, allow oral or drawn responses, and pair each new term with an action or image. Provide partially completed charts instead of reducing the scientific idea.
Common pitfalls and useful corrections
- Calling every quiet winter animal a hibernator: Ask what evidence shows a sustained change in body processes, rather than relying on stillness alone.
- Equating hibernation with ordinary sleep: Revisit reduced activity, energy use, and body cooling, while noting that species differ.
- Treating one strategy as best: Return to the challenge-strategy-benefit chart. A response is useful when it fits an animal’s conditions and needs.
- Using the pulse activity as a biological test: Label it a classroom analogy based on the National Park Service lesson. It demonstrates an idea; it does not reproduce an animal’s physiology.
- Overloading younger students with species facts: Keep the comparison framework constant and reduce the number of cards, not the reasoning task.
- Assuming a published assessment: The Day 5 rubric is a practical classroom synthesis created for this sequence, not a validated assessment instrument.
Source notes for teachers
The National Park Service’s lower-elementary Preparing for Winter lesson supplies the essential question, seasonal discussion, animal pictures, pulse-counting model, and honeybee food-storage example. The National Park Service Denali program, What Would You Do: Winter Wildlife Distance Learning, provides the grades 3–5 winter-wildlife inquiry and examples including Arctic ground squirrels, wood frogs, caribou, grizzly bears, ptarmigan, voles, and golden eagles. National Geographic Education’s grade 3 explainer, Some Animals Don’t Actually Sleep for the Winter, and Other Surprises About Hibernation, supports the explanation of reduced metabolism and body cooling and cautions against treating hibernation as ordinary sleep.
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