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Worksheets

8th STEM Review

Total questions: 30

Worksheet time: 16mins

Name
Class
Date
1.

What is the First Step of the Engineering Design Process

a)

Testing Solutions

b)

Designing Solutions

c)

Identifying the Problem

d)

Planning Solutions

2.

What should you do after you define a problem to better understand what the problem actually is?

a)

Ask testable questions.

b)

Perform a controlled experiment.

c)

Research the problem.

d)

Conduct a survey.

3.

Several college students want to design and build a solar-powered car. They have chosen a design. Which of the following should they do next to follow an engineering design process?

a)

Build a prototype of the car.

b)

Sell the design to a car company.

c)

Research the demand for solar-powered

cars.

d)

Use the design to mass-produce solar-powered

cars.

4.

The model of the design used in the engineering design process

a)

Prototype

b)

Criteria

c)

Constraints

d)

Iteration

5.

A ______________ happens when some benefits are lost to gain other benefits.

a)

trade-off

b)

life cycle analysis

c)

Pugh chart

d)

risk-benefit analysis

6.

The evaluation of the materials and energy used for making, selling, using, and disposing of a product is called a _________________.

a)

trade-off

b)

life cycle analysis

c)

Pugh Chart

d)

risk- benefit analysis

7.

A _________________ is the comparison of the favorable and unfavorable effects of a technology

a)

trade-off

b)

life cycle analysis

c)

pugh chart

d)

risk-benefit analysis

8.

When an effect is predicted and desired, it is an_________________ effect.

a)

expected and favorable.

b)

expected and unfavorable.

c)

unexpected and favorable.

d)

Unexpected and unfavorable.

9.

Which of these is not an effect that can result from technology?

a)

expected and favorable

b)

unexpected and expected

c)

unexpected and favorable

d)

expected and unfavorable

10.

A _________________ uses a table to compare features of similar products.

a)

Trade-off

b)

life cycle analysis

c)

Pugh Chart

d)

risk-benefit analysis

11.

When do the results of a risk-benefit analysis indicate that a technology should be used?

a)

When the risks are greater than the benefits.

b)

When the benefits are greater than the risks.

12.

Which type of analysis would be most useful to someone buying a product in a store?

a)

trade-off

b)

life cycle anyalysis

c)

pugh chart

d)

risk-benefit analysis

13.

What is the application of science and math to solve real life problems?

a)

creative thinking

b)

a trade off

c)

engineering

d)

redesigning

14.

Application of science

a)

Scientific Method

b)

Engineering

c)

Technology

d)

Materials Science

15.

Technology that does not use electrical energy, less expensive and easier to make

a)

Physical

b)

Simple

c)

Complex

d)

Cyber

16.

Technology that uses electrical energy, more expensive, and more difficult to make

a)

Cyber

b)

Physical

c)

Simple

d)

Complex

17.

Engineers deal with _________, or constraints, such as laws of science, government rules, and budget.

a)

advantages

b)

supports

c)

limitations

d)

allowances

18.

Objects that help us do these more easily

a)

Things

b)

Tools

c)

Engineers

d)

Materials

19.

Select the two categories of tools

a)

Simple

b)

Physical

c)

Cyber

d)

Complex

20.

Which of the following is NOT a physical tool?

a)

Knife

b)

Blender

c)

Simulation

d)

Toothbrush

21.
What does CAD stand for?
a)
Computer Aided Design
b)
Computer Assisted Drawing
c)
Computer Activated Drafting
d)
Computer Activated Drawing
22.

Select the following limitations of only learning to fly a plane in a simulation.

a)

May not allow the pilot to experience weather

b)

May not allow the pilot to experience flying at high altitudes

c)

May not allow the pilot to experience what it is like to fly a plane with passengers

23.

Modification and study of materials

a)

Technology

b)

Science

c)

Materials Science

d)

Engineering

24.

The following are ________ of science: metals, semiconductors, polymers, exotic materials, ceramics, and composites.

a)

technologies

b)

limitations

c)

materials

25.

Which of the following is NOT a factor that limits the use of a material?

a)

Cost

b)

Degree of Hazard

c)

Availability

d)

Technology

26.

Fire is used for cooking and heating. Yet is has _________ effects when it destroys homes, crops, and habitats.

a)

favorable

b)

unfavorable

27.

What is the name of the chart above?

a)

Risk-Benefit Chart

b)

Life Cycle Chart

c)

Pugh Chart

28.

What car had the highest rating in "coolness"?

a)

Hyundai Elantra

b)

Ford Fiesta

c)

Chevy Corvette

29.

Which car rated highest in safety?

a)

Hyundai Elantra

b)

Ford Fiesta

c)

Chevy Corvette

30.

Overall, which car rated highest?

a)

Chevy Corvette

b)

Ford Fiesta

c)

Hyundai Elantra