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K-ESS3-2: Natural Hazards – Understanding and Preparing for Severe Weather

Kindergarten NGSS

Performance Expectation

K-ESS3-2. Ask questions to obtain information about the purpose of weather forecasting to prepare for, and respond to, severe weather.
Clarification Statement: Emphasis is on local forms of severe weather and methods scientists and community members use to prepare for and respond to weather-related hazards. Examples of severe weather could include blizzards, earthquakes, tornados, hurricanes, floods, etc.
Assessment Boundary: Assessment does not include quantitative measures of weather phenomena (pressure, wind speed, etc.) or the mechanisms of severe weather formation.

General Overview

Every year, severe weather events affect millions of people and cause billions of dollars in damage. Tornadoes, hurricanes, floods, blizzards, and extreme heat are natural phenomena that humans cannot prevent – but we can prepare for and respond to them intelligently. Weather forecasting is one of humanity’s most powerful tools for mitigating the impacts of natural hazards, and kindergartners are at the perfect age to begin understanding why it matters.

K-ESS3-2 is unique among NGSS standards in its explicit focus on the societal value of science. It asks: Why do scientists forecast the weather? What do people do with that information? This is a profoundly important question because it positions science not as an abstract academic exercise but as a life-saving, community-protecting service.

The science and engineering practice at the heart of this standard is Asking Questions – the very first and most fundamental scientific activity. Students learn that scientists ask questions to understand the world, and they practice this themselves by asking questions about weather forecasting, severe weather events, and safety responses. Good questions (not just good answers) are the mark of a developing scientist.

The disciplinary core ideas come from ESS3.B (Natural Hazards), which recognizes that Earth is dynamic and sometimes dangerous – that geological and meteorological processes that shape and sustain the planet also occasionally create threats to human communities. Understanding this duality – Earth as provider and Earth as hazard – is foundational to environmental literacy.

At the kindergarten level, the emphasis is on severe weather specifically (not geological hazards like earthquakes, though these can be mentioned).

The most important learning outcomes are:

  1. Knowing that some weather is dangerous.
  2. Understanding that scientists can forecast dangerous weather.
  3. Knowing how communities prepare for and respond to severe weather and
  4. Being able to describe the appropriate response to local severe weather hazards.

This standard has obvious and direct connections to emergency preparedness – a life skill every child should have. Teaching children to recognize severe weather warnings and know what to do is genuinely potentially life-saving knowledge.

Scope and Sequence

What Comes Before

Most kindergartners have experienced severe weather in some form – a thunderstorm that frightened them, a snowstorm that closed school, a heat wave that kept them inside. Many have participated in tornado drills or other emergency preparedness activities at school. However, few have explicitly connected these experiences to the science of weather forecasting or the societal systems designed to protect people from natural hazards.

At This Grade Level

Students develop understanding that:

  1. Some weather is severe and dangerous.
  2. Scientists called meteorologists study and forecast severe weather.
  3. Communities use weather forecasts to prepare for severe weather.
  4. There are specific, learned responses for different types of severe weather.
  5. Early warning systems save lives.

What Comes After

In Grade 3, students analyze data on weather patterns and natural hazards (3-ESS3-1), examining how communities reduce the impact of natural hazards through engineering solutions. In middle school, students examine the mechanisms of Earth’s dynamic systems that produce hazards (volcanic eruptions, earthquakes, tsunamis) and evaluate the societal responses to them. In high school, students analyze climate change data and its implications for the frequency and intensity of weather-related hazards. The foundational understanding – weather is sometimes hazardous, science helps us prepare – is first established here.

What Students Must Understand

About Natural Hazards

  • Some weather events are severe – more powerful, damaging, or dangerous than typical day-to-day weather. These include thunderstorms, tornadoes, hurricanes/typhoons, blizzards, floods, droughts, extreme heat, ice storms, and wildfires (which weather conditions can trigger or worsen).
  • Natural hazards are events that are part of Earth’s natural systems – they are not caused by human error or bad luck, but by the normal (if extreme) operation of atmospheric, geological, and hydrological processes.
  • Different regions face different primary hazards: tornado alley (central US) faces tornadoes; coastal areas face hurricanes; mountainous areas face avalanches and flash floods; northern states face blizzards.
  • Natural hazards can cause injury, death, property damage, and disruption to communities. They can also have long-term effects on ecosystems.

About Weather Forecasting

  • Scientists called meteorologists study the weather and make forecasts – predictions of what the weather will be like in the future.
  • Meteorologists use special tools: weather satellites (in space), weather stations (on the ground), radar (to track rain and storms), weather balloons, and powerful computers.
  • Weather forecasts are broadcast through television, radio, phone apps, weather websites, and emergency alert systems (Wireless Emergency Alerts on cell phones).
  • Forecasting severe weather early gives communities time to prepare and reduces the harm that hazards cause.

About Preparing and Responding to Severe Weather

  • Before severe weather: communities stock emergency supplies (water, food, flashlights, first aid); people secure outdoor objects; emergency managers issue watches and warnings.
  • During severe weather: different hazards require different responses (take shelter in a sturdy building for tornadoes; evacuate low-lying areas for floods; stay indoors and dress warmly for blizzards; seek shade and hydration for extreme heat).
  • After severe weather: emergency workers help people who are hurt; communities work together to clean up and rebuild.
  • Students should know the specific severe weather protocol for their school and home – this is both a science learning goal and a safety imperative.

Key Vocabulary

Natural hazard, severe weather, weather forecast, meteorologist, predict, prepare, respond, tornado, hurricane, blizzard, flood, thunderstorm, lightning, warning, watch, shelter, evacuate, emergency, safety.

Lesson Ideas and Activities

Activity 1: Severe Weather Scenario Stations

Overview: Set up four classroom stations, each representing a different severe weather scenario (tornado, blizzard, thunderstorm, flood). Each station has pictures, a simple scenario description, and question cards. Student groups rotate through stations discussing the questions together.

Station Question Examples: “What does this type of weather look like? Sound like? What danger does it cause? What should a family do to prepare? What should you do if this weather happens while you’re at school?”

Debrief: Class discussion comparing responses across hazard types. Create a class anchor chart: “Severe Weather Safety Rules.”

Activity 2: Interview a Weather Expert (Real or Simulated)

Overview: If possible, invite a local TV meteorologist or emergency management professional to speak to the class. If not, watch an age-appropriate video of a meteorologist explaining their work.

Preparing Questions: This is the key NGSS practice here. Before the visit/video, students brainstorm and practice asking questions: “What questions do you have about how scientists forecast weather? About how they help keep people safe?” Students write or draw their questions on cards.

After the Visit: Students share what they learned. What new information did they get from the expert’s answers? What new questions did the visit create?

Alternative: Use NOAA’s free “JetStream” online school for meteorology or the NWS (National Weather Service) educational videos.

Activity 3: Emergency Supply Bag Sort

Overview: Show students pictures of various objects (water bottle, flashlight, extra clothes, umbrella, candy bar, book, phone charger, first aid kit, batteries, blanket, map). Students sort: “Would this go in an emergency preparedness bag? Why or why not?”

Discussion: Why do families need to have emergency supplies at home? What might happen to the electricity, water supply, or phone service during a severe weather event?

Home Connection: Send home a simple family emergency preparedness checklist for families to complete together.

Activity 4: Watch/Warning vs. Regular Forecast

Overview: Explain the difference between a regular weather forecast, a weather watch (conditions are right for severe weather to develop), and a weather warning (severe weather is happening now or imminent). Role-play: “If you hear a tornado WARNING, what do you do? What if it’s a tornado WATCH?”

Practice the School Drill Protocol: Use this lesson as an opportunity to reinforce your school’s actual tornado/severe weather drill procedure. Students who understand why they do the drill are more likely to take it seriously and remember what to do.

Activity 5: Weather Map Reading for Kids

Overview: Show students simplified weather maps (such as those from weather.gov or the AMS Weather Studies program for schools). Identify: Where is a storm right now? Where is it moving? Which communities are in its path and need to prepare?
Learning Goal: Students understand that scientists don’t just study weather – they communicate it to communities in ways that allow people to protect themselves.

Activity 6: My Severe Weather Safety Book

Overview: Students create a simple booklet: “What I Would Do in a ___.” Each page covers one type of severe weather relevant to your region. Students draw and dictate/write their safety actions.

Pages might include: “In a thunderstorm, I would…” / “In a tornado, I would…” / “In a snowstorm, I would…” / “If there is a flood, I would…”

Home Connection: Students take the book home and share with families, practicing and reinforcing safety knowledge.

Common Student Misconceptions

Misconception 1: “All severe weather is equally dangerous.”

What students think: Students may have difficulty distinguishing between a typical thunderstorm (usually safe if precautions are taken) and a tornado or hurricane (potentially extremely dangerous). They may either overreact to all weather or underestimate truly severe events.
How to address it: Create a spectrum from “typical weather” to “severe weather” to “extreme weather.” Use real but age-appropriate examples. Discuss: “What makes weather dangerous? The wind speed? The amount of water? The temperature?”

Misconception 2: “If I can’t see the storm, it isn’t dangerous.”

What students think: Children’s immediate sensory experience dominates their safety judgments. If the sky looks okay from where they are standing, they may not believe a warning applies to them.
How to address it: Explain that weather moves quickly and can change rapidly. Discuss how weather warnings apply to regions, not just single spots. Use the analogy: “If a fire alarm goes off in our school, do we wait until we see flames to leave? Or do we follow the plan right away?”

Misconception 3: “Weather forecasters always know exactly what will happen.”

What students think: Students who have been building the concept that weather follows patterns may overestimate the precision of forecasting. They may think meteorologists can always predict exactly when and where a storm will hit.
How to address it: Explain that weather forecasting is about probability and uncertainty, not perfect prediction: “Scientists can say a storm is likely in our area, but they can’t always say exactly where and exactly when. That’s why we prepare early, just in case.” This is a healthy introduction to probabilistic reasoning and the nature of scientific uncertainty.

Misconception 4: “Natural disasters are caused by people doing bad things.”

What students think: Young children may have absorbed messages from media or adults suggesting that severe weather is a form of punishment or that humans somehow “cause” tornadoes and earthquakes through bad behavior.
How to address it: Clearly and kindly explain: “Natural hazards are part of how Earth works. They have nothing to do with whether people are good or bad. They happen because of the natural movement of air, water, and land – scientists study these processes to help people stay safe.”

Misconception 5: “You should hide under a window during a tornado to see it coming.”

What students think: This is a dangerous and common misconception. Some children believe that being near a window is safe during severe weather so they can monitor the storm.
How to address it: Be clear and direct: “Windows break during storms and can seriously hurt people. During a tornado or very strong storm, we move away from windows – to an interior room, a hallway without windows, or a basement.” Practice the school’s drill and explain the reasoning behind each safety rule.

Misconception 6: “My family doesn’t need an emergency plan – that’s just for other people.”

What students think: Especially in areas that have not recently experienced a major severe weather event, children may not feel personal urgency about preparedness.
How to address it: Use real but age-appropriate examples of when preparedness made a difference. Emphasize that preparedness is for everyone, everywhere – even areas with mild climates have occasional severe weather events. Involve families in preparedness activities to reinforce the message at home.

Assessment Questions

Questions and Investigations

  1. What is one question you have about severe weather? How could a scientist try to answer your question?
  2. If you wanted to find out whether a storm was coming, who would you ask? What tools would that person use?
  3. What is the difference between a weather forecast and a weather warning?

Natural Hazards Knowledge

  1. Name two types of severe weather. What makes each one dangerous?
  2. How is a tornado different from a regular thunderstorm? How are they the same?
  3. Why do you think different parts of the country have different types of severe weather?

Forecasting and Community Response

  1. What does a meteorologist do? Why is their job important?
  2. What tools do scientists use to forecast severe weather? Name at least two.
  3. A tornado WARNING is issued for your town. What should your family do? What should you do if you’re at school?
  4. Why do communities prepare for severe weather before it happens, instead of waiting until the storm arrives?

Personal Safety and Preparedness

  1. What three things would you put in an emergency bag if your family had to leave quickly during a flood? Why those things?
  2. Your little brother is scared of thunder and wants to stand by the window to watch the lightning. What would you tell him to do? Why?
  3. How does science help people stay safe during severe weather? Give a specific example.

Trauma-Sensitive Teaching Note

Some students may have direct, traumatic experience with severe weather events – a family home lost in a hurricane, experiencing a tornado, or living through a serious flood. This content requires sensitivity. Before teaching, consider: Are there students in your class who have experienced significant trauma related to severe weather? How will you acknowledge their experience without putting them on the spot?

Strategies:

(1) Give students opt-outs for sharing – “You don’t have to share if you don’t want to, but you can.”
(2) Frame the content in terms of safety and preparedness, not fear.
(3) Connect students to school counselors if needed.
(4) Avoid sensationalized or graphic imagery of disaster destruction.
(5) Emphasize community resilience and human cooperation in disaster response – stories of people helping each other are more developmentally appropriate than stories of devastation.

Cross-Curricular Connections

Social Studies / Community Helpers

Meteorologists, emergency managers, firefighters, and first responders are all community helpers who use science to protect people during natural hazards. This standard connects naturally to units on community helpers and civic responsibility.

ELA

Informational text reading about weather and natural hazards; asking and answering questions (RI.K.1); identifying main topic and key details (RI.K.2); producing and delivering informational writing and speaking about weather safety.

Health and Safety

Emergency preparedness is a health and safety curriculum topic in many states. The two curricula reinforce each other powerfully when coordinated. Consider collaborating with your school counselor or PE/health teacher.

Mathematics

Data collection and graphing of severe weather frequency; measuring how long emergency supplies last; counting items in an emergency kit; mapping distances from storm centers.

Teacher Background Knowledge

Watch vs. Warning vs. Advisory: A Weather Watch means conditions are favorable for severe weather to develop in the watch area. A Weather Warning means severe weather is occurring or is imminent and immediate action should be taken. An Advisory is for less severe conditions that may still cause inconvenience. These distinctions are important for teacher understanding and simplified versions should be taught to students.

Types of Severe Weather by Region: Tornadoes – most common in the Great Plains, Midwest, and Southeast (April–June peak). Hurricanes – Atlantic and Gulf coasts, Pacific coast (late summer/fall). Blizzards – Northern states, Great Plains, Northeast (winter). Floods – virtually everywhere, especially near rivers and in flash-flood-prone areas. Extreme heat – increasingly common everywhere, especially in urban areas. Ice storms – Midwest and Southeast in winter. Wildfires – Western states, though fire weather affects all regions. Teachers should emphasize the hazards most relevant to their region.

How Weather Forecasting Works: Modern weather forecasting uses a network of surface weather stations, radiosondes (weather balloons measuring upper atmosphere), Doppler radar (detecting precipitation and wind), weather satellites (geostationary and polar-orbiting), aircraft reconnaissance (especially for hurricanes), ocean buoys, and supercomputers running numerical weather prediction models. The National Weather Service (NWS), a part of NOAA, is responsible for official US weather forecasts and warnings. NWS issues forecasts, watches, and warnings for free to the public at weather.gov.

Wireless Emergency Alerts: The Wireless Emergency Alert (WEA) system sends emergency alerts directly to cell phones in affected geographic areas without requiring users to sign up. These alerts include tornado warnings, flash flood warnings, AMBER alerts, and Presidential alerts. Explaining this system to students and their families is a direct, practical safety benefit of this science unit.