Unit 2 Science Review

Engineers must build a model of a design to find out how well it actually works. What is another word for this model?

• prototype

• design

• conclusion

• product

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Refrigerators, pencil sharpeners, and backpacks are just a few items that engineers designed. What is meant by the word design?

• to take plans and drawings and make a prototype using them

• to brainstorm ideas about how to solve an engineering problem

• to conceive an idea and prepare plans and drawings for it to be built

• to take materials such as wood and metal and shape them into something

Tags

NGSS.MS-ETS1-1

A cellular phone is designed to help people communicate. How would a cellular phone be classified?

• as a tool

• as a system

• as a process

• as a product

Metersticks, screwdrivers, and calculators are all used to shape, build, or produce other things. How can these objects be grouped?

• as tools

• as designs

• as systems

• as processes

Trains, railways, and safety signals at rail crossings all work together to move goods and people from place to place. What do all of these parts make up?

• a design

• a model

• a process

• a system

Mr. Sanchez and his crew are working at a construction site. Based on evidence in the picture, what can you claim?

• Feedback is being used in a designed system.

• Tools are being used during a technology process.

• An output is being used to build a technology product.

• A designed system is being used to design technology.

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Mr. Napier is concerned because the old wooden steps outside his house are becoming loose. He wants to design a safer set of steps. What should Mr. Napier do first?

• record test data

• design a solution

• build a prototype

• brainstorm solutions

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A company wants to build a new type of aircraft for transporting pilots. What should the company do first?

• build a model

• identify needs

• test the prototype

• evaluate the design

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Camryn's family has several glass bowls that need to be protected during a move. Camryn designs a way to pack the bowls. What would be the best way to test her design?

• make a prototype and test it using an egg

• make a prototype and test it using a rock

• make a prototype and test it using the bowls

• make a prototype and test it using a plastic ball

Tags

NGSS.MS-ETS1-1

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An engineer has designed and built a prototype to improve the brake system of a car. What is the next step that the engineer should take in the process?

• Test the working prototype.

• Make sketches of the prototype.

• Evaluate the design for revision.

• Collect and analyze the test results.

Tags

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