Design Solutions and Evaluations Flashcard

Front

What is the primary purpose of evaluating competing design solutions?

Back

To determine which solution best meets the criteria and constraints

Answer explanation

The primary purpose of evaluating competing design solutions is to determine which solution best meets the criteria and constraints. This ensures that the chosen design effectively addresses the project's needs.

Tags

NY.SCI.6-8.MS-ETS1-2

Front

Given a design problem to create a water filter, what is an example of a criterion?

Back

The filter must remove at least 90% of impurities

Answer explanation

The correct choice, 'The filter must remove at least 90% of impurities', is a criterion because it sets a measurable standard for the filter's performance, ensuring it effectively purifies water.

Tags

NY.SCI.6-8.MS-ETS1-1

Front

Which systematic process would best help you decide between two wind-powered car designs, A (faster) and B (more stable)?

Back

Compare how each design meets the criteria and constraints, then score them

Answer explanation

Comparing how each design meets the criteria and constraints allows for a systematic evaluation of speed and stability, helping to make an informed decision rather than relying on chance or subjective preferences.

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NY.SCI.6-8.MS-ETS1-2

Front

After testing three different parachute designs, you record the time it takes for each to reach the ground. What should you do next to identify the best features of each design?

Back

Analyze the data to find which features contributed to slower descents

Answer explanation

To identify the best features of each parachute design, you should analyze the data to determine which features contributed to slower descents. This approach allows for a comprehensive understanding of performance, rather than focusing solely on speed.

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Front

What are the statements "must reach at least 150°C, must be safe to touch, must use only recycled materials" examples of?

Back

Constraints and criteria

Answer explanation

The statements about the solar oven are examples of constraints and criteria, as they define the limits and requirements the design must meet, such as temperature, safety, and material use.

Tags

NY.SCI.6-8.MS-ETS1-1

Front

How can you use data from different paper airplane designs to improve your next design?

Back

Combine the best features from the designs that flew the farthest

Answer explanation

To improve your next design, analyze the data and combine the best features from the designs that flew the farthest. This approach uses evidence to enhance performance, unlike choosing based on appearance or guessing.

Tags

NY.SCI.6-8.MS-ETS1-3

Front

How should a group decide between two designs for a pollution-reducing device, where Design X is more effective but costs more, and Design Y is less effective but cheaper?

Back

Weigh both effectiveness and cost to see which best meets the criteria and constraints.

Answer explanation

The group should weigh both effectiveness and cost to determine which design best meets their criteria and constraints, ensuring a balanced decision that considers both financial and environmental impacts.

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NY.SCI.6-8.MS-ETS1-2

Front

What is the best way to create a new, improved backpack design after testing prototypes with different features?

Back

Combine the durability, lightweight material, and multiple pockets into one design

Answer explanation

The best way to create an improved design is to combine the durability, lightweight material, and multiple pockets into one design. This approach maximizes the strengths of each prototype, resulting in a superior backpack.

Tags

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