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Biblioteka

Savvas 4th Grade Chapter 2 Design and Technology Test

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Pitanje 1
1.

What is the first step in the design process?

Pitanje 2
2.

Telephones, steam engines, and washing machines are all examples of technology. What do these three examples have in common?

Pitanje 3
3.

Orville and Wilbur Wright used the design process as they designed their airplanes. One of the things they did was to read about other people’s experiments. Which step of the design

process is this?

Pitanje 4
4.

An engineer wants to design an electric car. She chooses one solution to build. What should she do next?

Pitanje 5
5.

What is the main advantage of magnetic levitation trains compared to diesel-electric trains?

Pitanje 6
6.

A new bus has built-in GPS technology. What problem does GPS technology solve?

Pitanje 7
7.

An engineer is developing a new design for a tram. The engineer has three designs to choose from. Which design should the engineer select?

Pitanje 8
8.

What is the main purpose of developing a prototype?

Pitanje 9
9.

What is the last step in the design process?

Pitanje 10
10.

Technology is used to solve problems in people's homes.

Pitanje 11
11.

Some cars have a Global Positioning System(GPS). A GPS uses data from to provide information about a car's location.

Pitanje 12
12.

is the knowledge, processes, and products that solve problems and make work easier.

Pitanje 13
13.

A

Pitanje 15
15.

An engineer was designing a new type of car brake. He designed three brakes and

developed models of each break. He tested each brake and measured how long it

took for the car to stop. Here are his results.

Brake Effectiveness

Brake Time to Stop (seconds)

A 19

B 15

C 22

The main need for brakes is that they stop the car quickly. Which brake meets the

need best? Why?

Pitanje 16
16.

Part 2 for question 10

Name one other factor the engineer might consider when deciding which brake to make.

Pitanje 17
17.

Choose a transportation technology and explain how it affects your life.

Pitanje 18
18.

Explain how an engineer might use the design process to build a bridge. Use the steps we learned about in class. Please use complete sentences.