This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is classroom plants needing water during a week-long school break, and 3 different solutions are suggested: making a bottle drip system, asking families to take plants home, and moving plants to one bathroom with a humidifier. Each solution solves the same problem but uses a different method/approach. One automates watering, another relocates care responsibility, and the third creates a humid environment. Choice A is correct because it describes how students could solve this problem in more than one way: make a bottle drip system OR ask families to take plants home. This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice D represents claiming only one solution exists. Students who choose this may think design problems have only one right answer, not recognizing that different methods can solve the same problem. To help students: When facing a design problem, ask "What are three different ways we could solve this?" Use sentence frames like "One solution is to automate watering, another solution is to have someone else care for them, and a third solution is to create a humid environment." Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?

This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is that strong wind keeps knocking over bean seedlings in cups, and 3 different solutions are suggested: build a cardboard windbreak wall, place rocks around each cup, and tie cups together in groups. Each solution solves the same problem but uses a different method/approach. The windbreak blocks wind before it reaches the cups, the rocks add weight to stabilize individual cups, and tying cups creates a more stable group structure. Choice A is correct because it describes different approaches to solving this design challenge: 'Put rocks around each cup or build a cardboard windbreak wall.' This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice C represents the error of claiming only one solution exists. Students who choose this may think design problems have only one right answer and not recognize that different methods can solve the same problem. To help students: When facing a design problem, ask 'What are three different ways we could solve this?' Use sentence frames like 'One solution is to block the wind, another solution is to add weight, and a third solution is to connect items together.' Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?

This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is crumbs and spills making lunch tables messy, and 3 different solutions are suggested: giving each table a small broom and dustpan, having wet wipes at tables, and using washable placemats. Each solution solves the same problem but uses a different method/approach. One provides dry cleaning tools, another provides wet cleaning, and the third prevents mess from reaching the table. Choice A is correct because it describes how students could solve this problem in more than one way: use wet wipes at tables OR give each table a small broom and dustpan. This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice D represents claiming only one solution exists. Students who choose this may think design problems have only one right answer, not recognizing that different methods can solve the same problem. To help students: When facing a design problem, ask "What are three different ways we could solve this?" Use sentence frames like "One solution is to provide dry cleaning tools, another solution is to provide wet cleaning, and a third solution is to prevent the mess." Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?

This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is wind tipping over seedlings in cups during science, and 3 different solutions are suggested: building a cardboard windbreak wall, tying cups together in groups, and moving cups inside a plastic box with holes. Each solution solves the same problem but uses a different method/approach. One blocks wind, another creates stability through connection, and the third provides shelter. Choice A is correct because it identifies two solutions that would both work to protect seedlings from wind: build a cardboard windbreak wall OR move cups into a plastic box with holes. This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice B represents only mentioning one solution. Students who choose this may not recognize that the question asks for TWO solutions that would both work, showing they might not fully understand that multiple solutions can exist for the same problem. To help students: When facing a design problem, ask "What are three different ways we could solve this?" Use sentence frames like "One solution is to block the wind, another solution is to connect items together, and a third solution is to provide shelter." Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?

This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is that wind knocks over seedlings in cups, and 3 different solutions are suggested: a cardboard windbreak wall, move cups inside a plastic box with holes, and tie cups together in groups. Each solution solves the same problem but uses a different method/approach. The windbreak blocks wind, the box provides shelter while allowing air flow, and tying creates stability through connection. Choice A is correct because it identifies two solutions that would both work: 'Build a windbreak wall or place cups inside a plastic box with holes.' This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice C represents the error of claiming only one solution exists. Students who choose this may think design problems have only one right answer and not recognize that different methods can solve the same problem. To help students: When facing a design problem, ask 'What are three different ways we could solve this?' Use sentence frames like 'One solution is to block the wind, another solution is to shelter the plants, and a third solution is to make them more stable.' Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?

This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is storing scattered recess balls in the shed, and 3 different solutions are suggested: hanging mesh bags on hooks, building a rolling cart with bins, and making a shelf with cardboard dividers. Each solution solves the same problem but uses a different method/approach. One might be easier to build while another might hold more balls or be easier to move. Choice A is correct because it identifies two viable solutions from the passage: hanging mesh bags on hooks OR building a rolling cart with bins. This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice B represents only mentioning one solution. Students who choose this may not recognize that the question asks for TWO solutions that would both work, showing they might not fully understand that multiple solutions can exist for the same problem. To help students: When facing a design problem, ask "What are three different ways we could solve this?" Use sentence frames like "One solution is to hang bags, another solution is to build a cart, and a third solution is to make a shelf." Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?

This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is cafeteria tables getting messy with crumbs and spills, and 3 different solutions are suggested: giving each table a small broom and dustpan, putting large trays at each table for plates, and using washable placemats. Each solution solves the same problem but uses a different method/approach. One provides cleaning tools, another contains the mess, and the third protects the table surface. Choice A is correct because it identifies two viable solutions from the passage: putting large trays at each table OR using washable placemats. This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice B represents only mentioning one solution. Students who choose this may not recognize that the question asks for TWO solutions that would both work, showing they might not fully understand that multiple solutions can exist for the same problem. To help students: When facing a design problem, ask "What are three different ways we could solve this?" Use sentence frames like "One solution is to provide cleaning tools, another solution is to contain the mess, and a third solution is to protect the surface." Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?

This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is balls being hard to find because they are piled on the shed floor, and 3 different solutions are suggested: making a shelf with cardboard dividers, hanging mesh bags on hooks, and creating a wall pocket organizer. Each solution solves the same problem but uses a different method/approach. All three organize the balls but use different storage systems. Choice A is correct because it explains why students might suggest different solutions: different ideas can all solve the problem, but in different ways. This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice B represents claiming only one solution exists. Students who choose this may think design problems have only one right answer, not recognizing that different methods can solve the same problem. To help students: When facing a design problem, ask "What are three different ways we could solve this?" Use sentence frames like "One solution is to build shelves, another solution is to hang bags, and a third solution is to use wall pockets." Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?

This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is classroom plants needing water during a week-long school break, and 3 different solutions are suggested: making a bottle drip system, asking families to take plants home, and moving plants to one bathroom with a humidifier. Each solution solves the same problem but uses a different method/approach. One automates watering, another relocates care responsibility, and the third creates a humid environment. Choice A is correct because it describes how students could solve this problem in more than one way: make a bottle drip system OR ask families to take plants home. This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice D represents claiming only one solution exists. Students who choose this may think design problems have only one right answer, not recognizing that different methods can solve the same problem. To help students: When facing a design problem, ask "What are three different ways we could solve this?" Use sentence frames like "One solution is to automate watering, another solution is to have someone else care for them, and a third solution is to create a humid environment." Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?

This question tests understanding that design problems have multiple possible solutions (NGSS 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem). In engineering design, the same problem can usually be solved in different ways. Different solutions might use different materials, different approaches, or different mechanisms, but still solve the same problem. For example, to keep items organized, you could build a shelf (one solution) OR use hanging bags (different solution) - both organize items but in different ways. Engineers generate multiple solutions so they can compare options and choose the best one for their specific situation. In this scenario, the problem is art supplies taking too long to get during class, and 3 different solutions are suggested: supply caddies staying at each table, a rolling cart bringing supplies to groups, and each student having a personal supply box. Each solution solves the same problem but uses a different method/approach. One keeps supplies stationary at tables, another brings supplies to students, and the third gives individual ownership. Choice A is correct because it describes two different ways to solve this problem: use supply caddies at each table OR use a rolling cart to deliver supplies. This shows understanding that design problems can be solved in more than one way and different approaches can all be valid solutions. Choice B represents repeating the same solution twice. Students who choose this may not understand that the question asks for two DIFFERENT ways, showing confusion about what constitutes different solutions versus the same solution repeated. To help students: When facing a design problem, ask "What are three different ways we could solve this?" Use sentence frames like "One solution is to keep supplies at tables, another solution is to bring supplies to students, and a third solution is to give each student their own." Emphasize that different solutions might have different advantages (faster, cheaper, easier, more durable) but can all solve the problem. Practice comparing solution options: How are they the same? How are they different? Could both work?