Grade 4 Chapter 2 Interactive Science

What is the first step in the design process?

• do research

• develop possible solutions

• identify the problem

• test a prototype

• hint look on page 56 in the book

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

• They help people communicate.

• They solve problems.

• They are used in homes.

• They were recently developed.

• "If you had a problem, Yo I'd solve it!"

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?

• doing research

• choosing one solution

• identifying the problem

• communicating results

• It's probably on page 56 in your book. Good luck finding it!

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

• create a prototype

• start selling the electric car

• redesign the electric car

• determine if people like the design

• Step 5 of the design process always helps me out...psst. page 58.

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

• They are safer.

• They are faster.

• They are cheaper to build.

• They can carry more people.

• Nobody calls me slow no mo.

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

• Passengers and drivers may be injured in an accident.

• Some vehicles cannot hold enough people.

• Some vehicles do not travel fast enough.

• The bus driver might get lost.

• Page 51 might be helpful

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

• The quickest one to produce.

• The most costly one to make.

• The smallest one.

• The one that meets the most important needs.

• Quick isn't always the best. Who wants to spend a lot of money? Tiny isn't always the best either.

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What is the main purpose of developing a prototype?

• to see how the product will look

• to figure out how much the product will cost

• to test whether or not the product will work

• to find out if the people like the product

• page 59 might help you solve this question

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Select TWO examples of technology that has improved transportation systems.

• microwaves

• refrigerators

• car mirrors

• airplanes

• GPS

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Select TWO factors an engineer might consider when designing a new brake system for a car.

• chrome plated brakes

• safety

• water safety

• cost

• can kids use them

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