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Worksheets

Exam Review Questions

Total questions: 144

Worksheet time: 2hrs 46mins

Name
Class
Date
1.

What two particles are in the nucleus of an atom?

a)

protons and electrons

b)

electrons and neutrons

c)

protons and neutrons

2.
Which of these is the electron?
a)
A
b)
B
c)
C
d)
D
3.
Which of these is the electron?
a)
A
b)
B
c)
C
d)
D
4.

Which of these is the neutron?

a)

A

b)

B

c)

C

d)

D

5.

Developing chemicals or products for useful purposes isn't one of the roles of a chemical engineer.

a)

true

b)

false

6.

Studying atoms and how they join together is one of the roles of a chemist.

a)

true

b)

false

7.
During a phase change what happens to temperature?
a)
it increases
b)
it decreases
c)
depends; if being heated it increases, if being cooled it decreases
d)
stays constant
8.
All changes in the state of matter of a substance requires a change in 
a)
mass
b)
temperature
c)
permission
d)
energy
9.

A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons is a _______________.

a)

nonpolar molecule

b)

polar molecule

c)

ionic compound

d)

metalic compound

10.

Polar molecules have

a)

no charges.

b)

slight positive and negative charges on opposite ends of the molecules.

c)

only positive charges.

d)

either positive or negative charges, but not both.

11.

How did the salt affect the melting/freezing point of the solid ice?

a)

it increased

b)

it decreased

c)

it didn't affect it

d)

none of these

12.

How did the salt affect the melting/freezing point of the liquid water?

a)

it increased

b)

it decreased

c)

it didn't affect it

d)

none of these

13.

The freezing point depression is caused by an increase in _______________ in the solution resulting in a greater total amount of energy that must be lost in order for the water to freeze.

a)

temperature

b)

energy

c)

particles

d)

all of these

14.

The charged ions from the salt interrupt the polar water molecules from _________________. This is one reason why the temperature of the salt water solution during the ice cream lab was able to drop below the freezing point of water.

a)

freezing

b)

melting

c)

slowing down

d)

getting into fixed positions

15.

Which of the following are examples of compounds?

a)

copper

b)

salt

c)

water

d)

iron

e)

air

16.

Describe COHESION.

a)

Water molecules attracted to other substances.

b)

Water molecules climbing upwards against the force of gravity.

c)

Water molecules dissolving many substances because of its polarity.

d)

Water molecules attracted to other water molecules.

17.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
18.
molecule in which opposite ends have opposite electric charges
a)
cohesion
b)
polar molecule
c)
hydrogen bond
d)
solution
19.

Water's ability to stick to glass is

a)

adhesion

b)

cohesion

c)

surface tention

d)

capillary action

20.

In which of the following industries might an engineer MOST likely work?

a)

pharmaceuticals

b)

hospitality

c)

retail

d)

all of these

21.

Glass is an example of which kind of material?

a)

raw

b)

manufactured

c)

processed

d)

synthetic

22.

Lumber is an example of which kind of material?

a)

raw

b)

manufactured

c)

processed

d)

synthetic

23.

Oil sticks to the bodies and surfaces of birds, plants, fish, and other aquatic organisms because oil is ________ dense and ____________ water.

a)

more, floats on

b)

more, sinks below

c)

less, sinks below

d)

less, floats on

24.

What is the name of the "force" that helps hold glue to its bonded material?

a)

Van der Waal's force

b)

adhesion

c)

Van Wilder's force

d)

cohesion

25.

The technical name for superglue-type glue is

a)

epoxy.

b)

cyanoacrylate.

c)

polyvinyl acetate.

d)

all of these

26.

Which of the following is a subject than an engineer might study?

a)

physics

b)

political science

c)

mathematics

d)

all of these

27.

Which of the following is NOT an example of one of the earliest adhesive?

a)

tar

b)

bitumen

c)

casein

d)

beeswax

28.

A pure substance made of only one kind of atom.

a)

atom

b)

compound

c)

mixture

d)

element

29.

A group of atoms, chemically bonded together, representing the smallest fundamental unit of a compound.

a)

atom

b)

element

c)

compound

d)

molecule

30.

A substance made up of two or more elements.

a)

atom

b)

element

c)

compound

d)

molecule

31.

a group of atoms chemically bonded together, representing the smallest fundamental unit of a compound

a)

molecule

b)

atom

c)

cell

d)

quark

32.

the smallest unit of a chemical element

a)

molecule

b)

atom

c)

cell

d)

quark

33.

What type of system doesn't have a monitoring system to change the input?

a)

Closed Loop System

b)

Open Loop System

c)

Reverse Loop System

d)

Monitoring Loop System

34.

What is the correct order or a technological system?

a)

Input, Output, Process

b)

Output, Process, Input

c)

Input, Process, Output

d)

Process, Resources, Output

35.

What type of system uses a monitoring system to change the input?

a)

Reverse Loop System

b)

Closed Loop System

c)

Monitor Loop System

d)

Open Loop System

36.

What type of Technological System does this example represent?

a)

Open Loop System

b)

Closed Loop System

37.

Glue remaining on only one side of a substrate indicates

a)

cohesive failure.

b)

adhesive failure.

c)

substrate/material failure

d)

all of these

38.

Glue remaining both sides of a substrate indicates

a)

cohesive failure.

b)

adhesive failure.

c)

substrate/material failure

d)

all of these

39.

Select all of the ways below that wildlife can be affected by an oil spill.

a)

They can die of hypothermia.

b)

It can affect their ability to reproduce successfully.

c)

Birds will have to fly even further south for the winter.

d)

They can suffer from poisoning.

40.

Select everything below that describes a step/part of the complex task of cleaning up an oil spill.

a)

The oil is cleaned up and wildlife is given assistance.

b)

Funds are obtained by legislators.

c)

Wildlife is released to a safe environment.

d)

The oil is contained.

41.

Which of the following is NOT one of the 7 technological resources?

a)

Internet

b)

Information

c)

Capital

d)

People

42.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
43.

Anything that has mass and takes up space is an example of

a)

energy

b)

matter

c)

chemical change

d)

temperature

44.

The average speed of molecules in a substance is called

a)

thermodynamics

b)

heat

c)

temperature

45.
When molecules flow around each other, they are in this phase
a)
solid
b)
liquid
c)
gas
d)
plasma
46.

What happens to molecules when the temperature drops or lowers?

a)

The molecules get closer together

b)

The molecules start moving faster.

c)

The molecules stop moving.

d)

The molecules become smaller.

47.
All changes in the state of matter of a substance requires a change in 
a)
mass
b)
temperature
c)
permission
d)
energy
48.

Select all of the phase changes that require a loss of energy.

a)

melting

b)

freezing

c)

vaporizing

d)

condensing

e)

sublimating

49.

Select all of the phase changes that require a gain of energy.

a)

melting

b)

freezing

c)

vaporizing

d)

condensing

e)

sublimating

50.

Which of the following accurately describes intermolecular forces?

a)

weak attractions between molecules

b)

weak bonds that form new substances

c)

strong bonds that can not be broken

d)

any bond that shares electrons

51.

Select everything that occurs as temperature decreases.

a)

particles slow down

b)

intermolecular forces strengthen

c)

energy is lost

d)

energy is gained

e)

intermolecular forces weaken

52.

According to the Smithsonian website, which of the following was NOT listed as a way that deep-sea coral colonies were impacted by the BP oil spill?

a)

tissue damage

b)

lower survival rates

c)

it soaked into the ground and could resurface later

d)

all of these

53.

Select all of the methods for cleaning up oil from a shoreline that are listed below.

a)

vacuuming

b)

mechanical removal

c)

skimmers

d)

dispersants

e)

debris removal

54.
When a gas changes directly to a solid, the process is known as what?
a)
Sublimation
b)
Condensation
c)
Deposition
d)
Evaporation
55.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
56.
Which of the following terms identifies the change from a liquid to gas?
a)
Vaporization
b)
Condensation
c)
Deposition
d)
Sublimation
57.
If you have a liquid that changes to a gas, explain it's freedom of movement in both phases.
a)
molecules move away from each other, then around each other
b)
molecules move in place, then around each other
c)
molecules move around each other, then away from each other
d)
molecules move around each other, then in place
58.

What happens to molecules when the temperature drops or lowers?

a)

The molecules get closer together

b)

The molecules start moving faster.

c)

The molecules stop moving.

d)

The molecules become smaller.

59.
Can Solids be compressed?
a)
No
b)
Yes
c)
Sometimes (it depends what it's made of)
d)
Generally no
60.

Which description best matches this particle model?

a)

Closely packed, vibrating in fixed positions.

b)

Particles are close together but can move a little.

c)

Particles have lots of energy and can move around.

61.

Which of the following describes a role science played in the creation of the pencil?

a)

Designing a device with graphite insert, exterior holder, and attached eraser

b)

Discovery of graphite and the fact that rubber (eraser) will remove graphite

c)

Creating a writing device that doesn’t use ink

d)

Calculating the optimal length, diameter, or shape for the device

62.

Which of the following is a psychological need?

a)

family

b)

talking with family

c)

seeing friends

d)

none of the above

63.

Which of the following is a biological want?

a)

water

b)

fresh water

c)

shelter

d)

none of these

64.

Which of the following is something that an engineer might do?

a)

create

b)

innovate

c)

improve

d)

all of these

65.

Which of the following is an example of an invention?

a)

a Tesla

b)

the printing press

c)

an iPhone

d)

all of these

66.

Which of the following types of engineer would help plan the routes for sewage and utilities in a city?

a)

civil

b)

mechanical

c)

structural

d)

none of these

67.

Which of the following types of engineer would help design a new material used to create faster computer chips?

a)

civil

b)

mechanical

c)

chemical

d)

none of these

68.

The design process is _____________. It consists of steps that we can return to at any point in the process. They can be repeated many times before you finish creating a new product.

a)

iterative

b)

complicated

c)

complex

d)

all of these

69.

Identifying the criteria and constraints are important during which step of the design process?

a)

generating concepts

b)

define the problem

c)

evaluate the solution

d)

design the solutin

70.

Time, budget and safety are almost always considered to be____________

a)

trade-offs

b)

constraints

c)

criteria

d)

efficiency

71.

In the decision matrix, which of the following would be an example of a constraint?

a)

cost

b)

self-adhering

c)

colorful

d)

model resilience

72.

Which of the following would be the BEST car according to the decision matrix?

a)

Car A

b)

Car B

c)

Car C

d)

Both Car A and Car B

73.

This type of statement identifies the problem as it is presented by the client. It explains the existing issue.

a)

design statement

b)

client statement

c)

problem statement

d)

written statement

74.
What term best describes the list of items below?
_ Must be made out of 4 to 6 pieces
-Must be "interlocking"
-part cannot extend more than 3 units in any direction
-no two parts can be the same.
a)
A. client
b)
B. Problem statement
c)
C.  Deliverables
d)
D. Constraints
75.

Which of the following is not normally included in criteria of a design?

a)

budget

b)

efficiency

c)

function

d)

aesthetics

76.

Design, build, test, document, and present a 3d puzzle system that is made from scrap hardwood cubes.


This is an example of a ___________________.

a)

design statement

b)

problem statement

c)

design brief

d)

none of these

77.

Based on this chart, which idea was best?

a)

Idea 2

b)

Idea 6

c)

Idea 3

d)

Idea 4

78.

Students have a box of ice pops to take to their soccer game to sell on a hot day. The students know they need a device to keep the ice pops from melting for 3 hours. They have a $15 budget. Which step of the engineering design process does this demonstrate?

a)

Define the problem

b)

Build & test

c)

Evaluate design

d)

Develop solution

79.

In which step of the Design Process do you document the project in a Project Portfolio?

a)

Present Solution

b)

Evaluate Solution

c)

Construct and Test Prototype

d)

Develop a Solution

80.

Sarah creates a new type of cell phone, but when she tries it, it fails miserably. So, she tries to figure out what to do next and/or how to modify or change her design.


Which step of the design process is Sarah completing in the scenario?

a)

Define the problem

b)

Build and test

c)

Evaluate solution

d)

Present solution

81.

Here you need to identify where in the design process the scenario is taking place.

Jared creates an idea of how to make a softer pillow. So, he builds a small model to test his idea.

a)

Generating Concepts

b)

Build and test

c)

Present solution

d)

Evaluate solution

82.

Which of the following steps includes the problem being identified, validated, and justified? The design requirements are also determined and the design brief is created during this step.

a)

prototype

b)

construct/test prototype

c)

define the problem

d)

present solution

83.

A design team is working on creating a new energy-efficient light. They have completed the following steps:They asked questions, did research, and determined the design requirements for their solution.They brainstormed, sketched their ideas, compared them, and identified the best possible solution to pursue.They created detailed technical drawings, including CAD drawings, to use to produce their solution.What is the next step of the design process that they should complete?

a)

Construct and Test Solution

b)

Present the Solution

c)

Evaluate Solution

d)

Design a Solution

84.

During this step of the Design Process, each team member creates several different options of how this problem can be solved.

a)

Evaluate Solution

b)

Present Solution

c)

Generate Concepts

d)

Define a Problem

85.

An emergency-equipment company makes warning-signal flares. The company wants to redesign a flare so that it produces light for a longer period of time. After the company does research, brainstormed and compared their ideas, and has determined their requirements, what is the next step in the design process?

a)

Construct and Test a Prototype

b)

Define the Problem

c)

Develop a Solution

d)

Evaluate the Solution

86.

An improvement of an existing technological product, system, or method of doing something.

a)

innovations

b)

invention

c)

technology

d)

science

87.

Human activities used to create, invent, design, transform, produce, control, maintain, and use products or systems.

a)

process

b)

design process

c)

design

d)

science

88.

A systematic problem-solving strategy, with criteria and constraints, used to develop many possible solutions to a problem or to satisfy human needs and wants and winnow (narrow) down the possible solutions to one final choice.

a)

process

b)

design process

c)

design

d)

science

89.

Which of the following lists the steps of the design process in the correct order?

a)

1. Define the Problem

2. Generate Concepts

3. Develop a solution

4. Construct and Test a Prototype

5. Evaluate the Solution

6. Present the Solution

b)

1. Define the Problem

2. Generate Concepts

3. Develop a solution

4. Evaluate the Solution

5. Construct and Test the Prototype

6. Present the Solution

c)

1. Develop a Solution

2. Generate Concepts

3. Define the Problem

4. Construct and Test a Prototype

5. Evaluate the Solution

6. Present the Solution

d)

1. Define the Problem

2. Present the Problem

3. Develop a solution

4. Construct and Test a Prototype

5. Evaluate the Solution

6. Generate Concepts

90.

This type of statement transforms (changes) the problem into a clearly defined challenge for the engineer to take action to address the need and to solve the problem.

a)

design statement

b)

client statement

c)

problem statement

d)

written statement

91.

This step in the design process includes researching past solutions and brainstorming possible new solutions. During this step, you will also select an approach using a decision matrix.

a)

design the solution

b)

generating concepts

c)

define the problem

d)

evaluating the solution

92.

Which of the following steps includes the problem being identified, validated, and justified? The design requirements are also determined and the design brief is created during this step.

a)

prototype

b)

valid

c)

define the problem

d)

present solution

e)

construct/test prototype

93.

This step in the design process includes evaluating the solution's effectiveness, reflecting on design, making recommendation for improvements/modifications to the design, and revising design documents.

a)

develop solution

b)

evaluate solution

c)

define the problem

d)

valid

e)

prototype

94.
Some scientists want to design a system of instruments that will evaluate ocean currents, temperatures, and winds in order to predict weather patterns. What should they do before they produce a prototype?
a)
Improve the design of the system
b)
Evaluate the prototype of the system
c)
Build a prototype of the system
d)
Develop a solution
95.

Which of the following is an example of a constraint for the Foot Orthosis Challenge?

a)

needs to be comfortable

b)

time allowed for challenge

c)

needed to be removable

d)

all of these

96.

Which of the following is an example of a criterion for the Foot Orthosis Challenge?

a)

materials available

b)

time allowed for challenge

c)

needed to be comfortable

d)

all of these

97.

Why is a decision matrix an important tool to use in the design process?

a)

identify the criteria, constraints, and deliverable

b)

organizes your sketches, models, and brainstorming

c)

determines the best choice by using the criteria/constraints

d)

contract between the client and the designer

98.

What is a constraint?

a)

A limit or restriction

b)

A reaction

c)

A guess

d)

A sketch

99.
Which design process step includes brainstorming?
a)
Design a Solution
b)
Define the Problem
c)
Generate Concepts
d)
Present the Solution
100.
Which design process step includes creating technical drawings?
a)
Design a Solution
b)
Define the Problem
c)
Generate Concepts
d)
Evaluate the Solution
101.
Which design process step includes collecting and analyzing test data?
a)
Design a Solution
b)
Define the Problem
c)
Generate Concepts
d)
Build and Test the Solution
102.

Which idea would be modeled with a prototype based on this Decision Matrix?

a)

Idea #2

b)

Idea #3

c)

Idea #4

d)

Idea #5

e)

Idea #6

103.
Using technological and scientific knowledge to solve practical problems.
a)
Engineering
b)
Artifact
c)
Transportation
d)
Math
104.
The study of our natural world through observation, identification, description, experimental investigation, and theoretical explanations
a)
Science
b)
Technology
c)
Engineering
d)
Math
105.
Using technological and scientific knowledge to solve practical problems.
a)
Engineering
b)
Artifact
c)
Transportation
d)
Math
106.
Roger plans and makes a bird feeder. He puts the bird feeder in his yard, but the birds cannot get food because of the small hole in the feed. Which should Roger do NEXT?
a)
Present the Solution
b)
Define the Problem
c)
Construct and Test a Prototype
d)
Evaluate the Solution and redesign if necessary
107.
What step of the design process does one use the decision matrix?
a)
Develop a Solution
b)
Generate Concepts
c)
Define the Problem
d)
Evaluate the Solution
108.
An emergency-equipment company makes warning-signal flares. The company wants to redesign  a flare so that it produces light for a longer period of time. After the company thinks of ideas, what is the next step in the design process?
a)
Construct and Test a Prototype
b)
Define the Problem
c)
Develop a Solution
d)
Evaluate the Solution
109.
Engineers plan on developing a new drill for use on oil rigs. What should the engineers do first in order to develop the new drill?
a)
Conduct research for features needed on the new drill
b)
Determine the materials needed to build the new drill
c)
Build a prototype of the new drill
d)
Select a solution
110.
Your group plans to build a prototype for a new model of vacuum cleaner. When should you decide upon the criteria you will use to test your technological design?
a)
After the model is built
b)
After the model is tested
c)
 Before the model is built
d)
You do not need any criteria since vacuum cleaners already exist
111.

A new product, system, or process that has never existed before, created by study and experimentation.

a)

science

b)

invention

c)

technology

d)

innovation

112.

If I find flaws in my solution I should....

a)

Test it many times

b)

Be formal and perfect

c)

Create a technical drawing

d)

go back and make modifications before moving forward

113.

Which step is most likely represented here?

a)

Define Problem

b)

Design A Solution

c)

Build and Test

114.

Which of the following describes a role math played in the creation of the pencil?

a)

Designing a device with graphite insert, exterior holder, and attached eraser

b)

Discovery of graphite and the fact that rubber (eraser) will remove graphite

c)

Creating a writing device that doesn’t use ink

d)

Calculating the optimal length, diameter, or shape for the device

115.

Which of the following describes a role engineering played in the creation of the pencil?

a)

Designing a device with graphite insert, exterior holder, and attached eraser

b)

Discovery of graphite and the fact that rubber (eraser) will remove graphite

c)

Creating a writing device that doesn’t use ink

d)

Calculating the optimal length, diameter, or shape for the device

116.

Which of the following is a physical want?

a)

nice home

b)

fresh water

c)

shelter

d)

all of these

117.

A group of interacting, interrelated, or interdependent elements or parts that function together as a whole to accomplish a goal.

a)

process

b)

science

c)

technology

d)

system

118.

each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all an _ _ _ _ _ _ _ _ _ _ of carbon.

a)

buckyball

b)

two socks

c)

Fullerene

d)

Allotrope

119.

A buckyball is an arrangement of what type of atoms?

a)

cobalt

b)

carbon

c)

sodium

d)

oxygen

120.

The prefix "nano" means...

a)

Greek for dwarf

b)

one millionth

c)

one billionth

d)

one tenth

121.

What is a nanotube?

a)

Tubular form of carbon

b)

Tubular form of oxygen

c)

Tubular form of calcium

d)

Tubular form of gold

122.

What is a nanotube?

a)

Tubular form of carbon

b)

Tubular form of oxygen

c)

Tubular form of calcium

d)

Tubular form of gold

123.

What can you conclude from the fact that nanotech can change substances' physical properties?

a)

The appearance depends on HOW MANY atoms it has.

b)

Physical properties CANNOT be changed.

c)

These properties are determined at the atomic level.

d)

Nanotechnology can also change chemical properties.

124.

How big is a nanometer?

a)

one millionth of a meter

b)

one billionth of a meter

c)

one hundredth of a meter

d)

one meter

125.

A buckyball is

a)

Made up of 60 carbon atoms, 20 hexagons, and 12 pentagons

b)

Made up of 60 carbon atoms, 12 hexagons, and 20 pentagons

c)

Made up of 60 carbon atoms, 10 hexagons, and 20 pentagons

d)

Made up of 50 carbon atoms, 15 hexagons, and 10 pentagons

126.

Materials can have different properties at the nanoscale, which do not belong?

a)

Different Colors

b)

Reflects light better

c)

Same magnetic properties

d)

Weaker

127.

A buckyball is not use for?

a)

Vehicle for Drug Delivery

b)

Light-bulbs

c)

Surface coatings to improve wear resistance

d)

Tiny environmental surfaces

128.

Which are not nanotechnology products

a)

Scratch and glare resistant coatings for glasses.

b)

Batteries delivering less power, with less heat

c)

Nano scale Dry Powder Neutralizes Gas/Oil Spills

d)

Anti-Bacterial Wound Dressings

129.

A very small number 10-9

a)

Angstrom

b)

Nanometer

c)

Micrometer

d)

Billionth

130.

A microscopic shape whose diameter is measured in nano meters

a)

Meter

b)

Nano

c)

Nanotube

d)

Nanometer

131.

A device for mapping surface atomic structure by measuring the force acting on the tip of a sharply pointed wire

a)

Scanning Probe Microscope

b)

Electron Microscope

c)

Atomic Force Microscope

d)

Caliper

132.

Which are nanoproducts

a)

Nanoscale dry powder neutralizes gas and liquid toxins in chemical spills

b)

Batteries deliver more power, more quickly, and with less heat

c)

Scratch and glare resistant coatings for eye glasses, windows, and car mirrors

d)

All of the Above

133.

True or False: Nanotechnology is applied to body armor space suits

a)

True

b)

False

134.

What is the technique that produces or measures features that are less than 100 nanometers in size

a)

Atomic force microscope

b)

Nanotechnology

c)

Chemical Engineering

d)

Nanoscale

135.

Nano machines naturally exist in your body.

a)

True

b)

False

136.

What device is used to measure the force acting on the tip of a sharply pointed wire or other object that is moved over the surface?

a)

Microscope

b)

Atomic force microscope

c)

The human eye

137.

How big is a nanometer?

a)

one millionth of a meter

b)

one billionth of a meter

c)

one hundredth of a meter

d)

one meter

138.

A device for mapping surface atomic structure by measuring the force acting on the tip of a sharply pointed wire or other object that is moved over the surface.

a)

electron scanning microscope

b)

scanner

c)

atomic force microscope

d)

compound microscope

139.

A polygon of five sides and five angles.

a)

pentagon

b)

hexagon

c)

octagon

d)

polygon

140.

A plane figure with six straight sides and angles.

a)

pentagon

b)

hexagon

c)

octagon

d)

polygon

141.

Chemical compounds whose molecules do contain carbon.

a)

precipitates

b)

organic

c)

inorganic

d)

solvents

142.

Chemical compounds whose molecules do not contain carbon.

a)

precipitates

b)

organic

c)

inorganic

d)

solvents

143.

A group or individual used as a standard of comparison for checking the results of a survey or experiment.

a)

experimental group

b)

independent variable

c)

constants

d)

control group

144.

Graphite, diamond, and fullerenes are all ___________ of carbon.

a)

isotopes

b)

ions

c)

allotropes

d)

mixtures

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