Community Lessons/3rd Grade Science
3rd Grade Science Lesson

Building Safer Communities: Reducing Weather-Related Hazards

Shared by A STEM Educator

3rd Grade5e-learning-cycle3-ESS3-1, 3-ESS2-145 min
Learning Objective

Students will be able to identify weather-related hazards and explain how engineered solutions (e.g., flood barriers, lightning rods, reinforced roofs) reduce — but do not eliminate — the impact of severe weather on people and buildings.

Lesson Overview

Students explore how engineers design solutions — such as flood barriers and lightning rods — to reduce the impact of severe weather on communities. They investigate real-world hazard mitigation strategies through sorting, building, and evaluating design solutions.

Materials

  • Photos of flooded streets and wind-damaged roofs (printed or projected)
  • Severe weather sorting cards (1 set per pair)
  • Mini tubs or plastic bins (1 per group) — flood barrier lab
  • Modeling clay or playdough
  • Craft sticks, foam pieces, cardboard scraps
  • Plastic figurines or small blocks (represent buildings)
  • Water in a pitcher (for flood simulation)
  • Paper towels and trays
  • Anchor chart paper and markers
  • Student science notebooks or printed note sheets
  • Exit slip half-sheets (pre-printed)
  • Pencils and crayons

Scaffolded Task Progression

1Task 1
Examine the two photos of weather damage (flooded street and damaged roof). Write or tell a partner:
(a) What type of severe weather caused each scene?(b) Who might be in danger?(c) What is ONE thing a community could do to be safer? [ Interactive graph / diagram — available in the full lesson ]
2Task 2
Sort the weather hazard cards into two columns: WEATHER HAZARD and PROTECTIVE DESIGN SOLUTION. Then draw a line matching each hazard to the solution that best reduces its danger. Use the card set provided.

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