Designing Hazard Solutions - 3rd Grade Science
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Which option best matches the hazard: "Too much river water"?
Which option best matches the hazard: "Too much river water"?
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Flood; use levees, floodwalls, and raised buildings. River overflow needs barriers and elevation to protect homes.
Flood; use levees, floodwalls, and raised buildings. River overflow needs barriers and elevation to protect homes.
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Which option best matches the hazard: "Strong shaking of the ground"?
Which option best matches the hazard: "Strong shaking of the ground"?
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Earthquake; use base isolation and stronger building frames. Ground shaking needs flexible supports and reinforced structures.
Earthquake; use base isolation and stronger building frames. Ground shaking needs flexible supports and reinforced structures.
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Which option best matches the hazard: "Fast-moving fire near homes"?
Which option best matches the hazard: "Fast-moving fire near homes"?
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Wildfire; clear brush and use fire-resistant materials. Fire spreads through fuel; removing it and using safe materials helps.
Wildfire; clear brush and use fire-resistant materials. Fire spreads through fuel; removing it and using safe materials helps.
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Which option best matches the hazard: "Very strong rotating winds"?
Which option best matches the hazard: "Very strong rotating winds"?
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Tornado; use safe rooms and storm shutters. Spinning winds need reinforced rooms and window protection.
Tornado; use safe rooms and storm shutters. Spinning winds need reinforced rooms and window protection.
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What design solution reduces flood damage by lifting a house above high water?
What design solution reduces flood damage by lifting a house above high water?
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Elevating the building on stilts or a raised foundation. Height keeps structures above typical flood levels.
Elevating the building on stilts or a raised foundation. Height keeps structures above typical flood levels.
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Which word means making a hazard cause less harm: prevent, reduce, or increase?
Which word means making a hazard cause less harm: prevent, reduce, or increase?
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Reduce. Reduce means to make something smaller or less severe.
Reduce. Reduce means to make something smaller or less severe.
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What is the main goal of a design solution for hazards?
What is the main goal of a design solution for hazards?
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To reduce damage and keep people safe. Design solutions minimize harm from natural disasters.
To reduce damage and keep people safe. Design solutions minimize harm from natural disasters.
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What is a hazard in science, meaning something that can cause harm to people or property?
What is a hazard in science, meaning something that can cause harm to people or property?
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A danger that can cause injury or damage. Hazards are dangerous conditions that threaten safety.
A danger that can cause injury or damage. Hazards are dangerous conditions that threaten safety.
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What design solution reduces impacts from lightning by safely sending electricity into the ground?
What design solution reduces impacts from lightning by safely sending electricity into the ground?
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A lightning rod with grounding. Provides a safe path for electrical discharge.
A lightning rod with grounding. Provides a safe path for electrical discharge.
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What design solution reduces earthquake risk by keeping heavy objects from falling?
What design solution reduces earthquake risk by keeping heavy objects from falling?
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Anchor shelves and secure heavy furniture. Securing prevents dangerous falling during shaking.
Anchor shelves and secure heavy furniture. Securing prevents dangerous falling during shaking.
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Identify the best design solution to reduce injury risk on icy sidewalks: sand/salt or more water.
Identify the best design solution to reduce injury risk on icy sidewalks: sand/salt or more water.
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Spread sand or salt for better traction. Grit materials increase friction on slippery surfaces.
Spread sand or salt for better traction. Grit materials increase friction on slippery surfaces.
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Which design solution best reduces tornado wind damage: safe room or large glass walls?
Which design solution best reduces tornado wind damage: safe room or large glass walls?
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A reinforced safe room. Reinforced rooms protect occupants from debris.
A reinforced safe room. Reinforced rooms protect occupants from debris.
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Identify the best design solution for a town with frequent flooding: higher foundations or weaker roofs.
Identify the best design solution for a town with frequent flooding: higher foundations or weaker roofs.
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Build on higher foundations (elevate buildings). Elevation prevents water from entering buildings.
Build on higher foundations (elevate buildings). Elevation prevents water from entering buildings.
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Which design solution best reduces wildfire risk near a home: clear dry brush or store firewood by walls?
Which design solution best reduces wildfire risk near a home: clear dry brush or store firewood by walls?
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Clear dry brush and keep fuel away from the house. Removing fuel sources prevents fire from spreading.
Clear dry brush and keep fuel away from the house. Removing fuel sources prevents fire from spreading.
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Identify the best design solution to reduce earthquake injuries: strap a bookcase or place it unanchored.
Identify the best design solution to reduce earthquake injuries: strap a bookcase or place it unanchored.
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Strap and anchor the bookcase to the wall. Wall anchors prevent tipping during earthquakes.
Strap and anchor the bookcase to the wall. Wall anchors prevent tipping during earthquakes.
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