Match bridge materials to their photos and descriptions in this educational worksheet.
Worksheet titled "Bridge and Match" with four photos of bridge materials (stone, concrete, steel, wood) and their descriptions.
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Show Answer Key & Explanations
Step-by-step solution for: Bridges Worksheets & Facts | Structures, Materials, Famous Examples
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Show Answer Key & Explanations
Step-by-step solution for: Bridges Worksheets & Facts | Structures, Materials, Famous Examples
To solve this matching problem, we need to look at each photo and decide which material it shows. Then, we match that material to the correct description based on what we know about how bridges are built.
Step 1: Identify the Materials from the Photos
* Photo 1 (Top): This image shows a wall made of rough, fitted rocks. This is clearly STONES.
* Photo 2: This image shows dark brown planks with wood grain patterns. This is WOOD.
* Photo 3: This image shows bundles of metal rods tied together. These are steel reinforcing bars (rebar). This represents STEEL.
* Photo 4 (Bottom): This image shows a smooth, grey, solid surface. This is typical of CONCRETE.
Step 2: Match Materials to Descriptions
Now we look at the descriptions to see which one fits each material best.
* Description A: "It has a low density, which increases its high specific strength."
* *Analysis:* "Low density" means lightweight. Among these materials, WOOD is the lightest. Being lightweight but strong allows it to span distances effectively relative to its weight.
* *Match:* WOOD → Low density description.
* Description B: "They are typically utilized as arches because of its strong compressive capacity."
* *Analysis:* "Compressive capacity" means being good at handling weight pushing down on it. Stone is very heavy and hard to pull apart, but it is excellent at holding up weight when shaped into an arch. Historically, stone bridges are almost always arches.
* *Match:* STONES → Arches/Compressive capacity description.
* Description C: "With its good compression properties, it is the primary material used for building the majority of modern bridges."
* *Analysis:* Most modern bridges you see today are made of concrete (often reinforced with steel). Concrete is famous for being strong under compression (weight pushing down).
* *Match:* CONCRETE → Primary material for modern bridges description.
* Description D: "This qualifies it for use in the construction of longer-span bridges."
* *Analysis:* To build a bridge that spans a very long distance without sagging, you need a material with extremely high tensile strength (strength against pulling/stretching). STEEL is the strongest material here for tension, allowing for long suspension or cable-stayed bridges.
* *Match:* STEEL → Longer-span bridges description.
Final Connections:
1. Stones Photo matches with Stones Material matches with "Typically utilized as arches..."
2. Wood Photo matches with Wood Material matches with "Low density..."
3. Steel Photo matches with Steel Material matches with "Longer-span bridges..."
4. Concrete Photo matches with Concrete Material matches with "Primary material... modern bridges..."
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Final Answer:
Here are the correct matches for each row:
1. Photo: Stone Wall | Material: STONES | Description: They are typically utilized as arches because of its strong compressive capacity.
2. Photo: Wood Planks | Material: WOOD | Description: It has a low density, which increases its high specific strength.
3. Photo: Metal Rods | Material: STEEL | Description: This qualifies it for use in the construction of longer-span bridges.
4. Photo: Grey Surface | Material: CONCRETE | Description: With its good compression properties, it is the primary material used for building the majority of modern bridges.
Step 1: Identify the Materials from the Photos
* Photo 1 (Top): This image shows a wall made of rough, fitted rocks. This is clearly STONES.
* Photo 2: This image shows dark brown planks with wood grain patterns. This is WOOD.
* Photo 3: This image shows bundles of metal rods tied together. These are steel reinforcing bars (rebar). This represents STEEL.
* Photo 4 (Bottom): This image shows a smooth, grey, solid surface. This is typical of CONCRETE.
Step 2: Match Materials to Descriptions
Now we look at the descriptions to see which one fits each material best.
* Description A: "It has a low density, which increases its high specific strength."
* *Analysis:* "Low density" means lightweight. Among these materials, WOOD is the lightest. Being lightweight but strong allows it to span distances effectively relative to its weight.
* *Match:* WOOD → Low density description.
* Description B: "They are typically utilized as arches because of its strong compressive capacity."
* *Analysis:* "Compressive capacity" means being good at handling weight pushing down on it. Stone is very heavy and hard to pull apart, but it is excellent at holding up weight when shaped into an arch. Historically, stone bridges are almost always arches.
* *Match:* STONES → Arches/Compressive capacity description.
* Description C: "With its good compression properties, it is the primary material used for building the majority of modern bridges."
* *Analysis:* Most modern bridges you see today are made of concrete (often reinforced with steel). Concrete is famous for being strong under compression (weight pushing down).
* *Match:* CONCRETE → Primary material for modern bridges description.
* Description D: "This qualifies it for use in the construction of longer-span bridges."
* *Analysis:* To build a bridge that spans a very long distance without sagging, you need a material with extremely high tensile strength (strength against pulling/stretching). STEEL is the strongest material here for tension, allowing for long suspension or cable-stayed bridges.
* *Match:* STEEL → Longer-span bridges description.
Final Connections:
1. Stones Photo matches with Stones Material matches with "Typically utilized as arches..."
2. Wood Photo matches with Wood Material matches with "Low density..."
3. Steel Photo matches with Steel Material matches with "Longer-span bridges..."
4. Concrete Photo matches with Concrete Material matches with "Primary material... modern bridges..."
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Final Answer:
Here are the correct matches for each row:
1. Photo: Stone Wall | Material: STONES | Description: They are typically utilized as arches because of its strong compressive capacity.
2. Photo: Wood Planks | Material: WOOD | Description: It has a low density, which increases its high specific strength.
3. Photo: Metal Rods | Material: STEEL | Description: This qualifies it for use in the construction of longer-span bridges.
4. Photo: Grey Surface | Material: CONCRETE | Description: With its good compression properties, it is the primary material used for building the majority of modern bridges.
Parent Tip: Review the logic above to help your child master the concept of bridge worksheet printable.
