Quiz about Unit 2: Chemical Reactions & Energy

Question 1

What is an exothermic reaction?

Accepted Answer

A reaction that releases heat

Answer

A reaction that absorbs heat

Answer

A reaction that requires light

Answer

A reaction that produces sound

Question 2

Which of the following is an example of an exothermic reaction?

Accepted Answer

Combustion (fire)

Answer

Melting ice

Answer

Evaporation

Answer

Photosynthesis

Question 3

What does 'EXO' mean in the term 'Exothermic'?

Accepted Answer

Outside

Answer

Inside

Answer

Heat

Answer

Cold

Question 4

Fill in the blank: Endothermic reactions absorb heat, causing the surroundings to ____.

Accepted Answer

cool down

Answer

heat up

Answer

remain unchanged

Answer

become warmer

Question 5

What are stakeholders?

Accepted Answer

Individuals or groups with an interest in a company's activities

Answer

A type of financial instrument

Answer

A method of project management

Answer

A type of market analysis

Question 6

Which of the following is a type of stakeholder?

Accepted Answer

Staff (employees)

Answer

Customers

Answer

Suppliers

Answer

Competitors

Question 7

Fill in the blank: Stakeholders are individuals or groups impacted by or having an interest in a project's ________.

Accepted Answer

outcome

Answer

location

Answer

budget

Answer

timeline

Question 8

Who among the following is considered a stakeholder?

Accepted Answer

IT Executive and senior management

Answer

Competitors

Answer

Suppliers

Answer

Customers

Question 9

What does the word 'optimize' mean?

Accepted Answer

To make the best or most effective use of a situation or resource

Answer

To minimize the use of resources

Answer

To create a new resource

Answer

To eliminate all errors

Question 10

Fill in the blank: The prefix 'OPTIM' means ______.

Accepted Answer

best

Answer

worst

Answer

average

Answer

minimal

Question 11

What is the function of the suffix 'IZE'?

Accepted Answer

To make a verb

Answer

To make a noun

Answer

To make an adjective

Answer

To make an adverb

Question 12

What does the term 'Criteria' refer to?

Accepted Answer

B) Standards or principles by which something is judged or decided

Answer

A) A type of measurement

Answer

C) A type of decision-making process

Answer

D) A type of checklist

Question 13

What does 'Con' mean in the context of constraints?

Accepted Answer

A) with/together

Answer

B) to bind/tie

Answer

C) forms the past tense of a verb

Question 14

What does 'Strain' mean in the context of constraints?

Accepted Answer

B) to bind/tie

Answer

A) with/together

Answer

C) forms the past tense of a verb

Question 15

What does 'T' signify in the context of constraints?

Accepted Answer

C) forms the past tense of a verb

Answer

A) with/together

Answer

B) to bind/tie

Question 16

What does a chemical reaction involve?

Accepted Answer

Transformation of substances into one or more new products

Answer

Mixing of substances without any change

Answer

Only physical changes

Answer

No change at all

Question 17

What does research involve?

Accepted Answer

Systematic investigation to establish facts or principles

Answer

Random exploration

Answer

Casual observation

Answer

Unstructured inquiry

Question 18

Fill in the blank: A prototype is an early model or example built to test a ______ or process.

Accepted Answer

concept

Answer

theory

Answer

design

Answer

hypothesis

Question 19

Fill in the blank: Proto means ______.

Accepted Answer

first/original

Answer

last

Answer

middle

Answer

end

Question 20

Fill in the blank: Type means ______.

Accepted Answer

impression

Answer

style

Answer

category

Answer

form

Question 21

What are cascading consequences?

Accepted Answer

A series of events triggered by an initial action

Answer

A type of waterfall

Answer

A method of organizing tasks

Answer

A type of financial investment

Question 22

Based on the diagram, what happens to the deer population when wolves are removed?

Accepted Answer

It increases

Answer

It decreases

Answer

It remains the same

Answer

It disappears

Question 23

What does maximum efficiency mean?

Accepted Answer

the ability to work well and efficiently without wasting time and energy

Answer

involves the transformation of substances into one or more new products.

Answer

standards or principles by which something is judged or decided.

Answer

limitations or restrictions that impact a project's scope or solutions.

Question 24

What does criteria mean?

Accepted Answer

standards or principles by which something is judged or decided.

Answer

involves the transformation of substances into one or more new products.

Answer

the ability to work well and efficiently without wasting time and energy

Answer

limitations or restrictions that impact a project's scope or solutions.

Question 25

What does constraints mean?

Accepted Answer

limitations or restrictions that impact a project's scope or solutions.

Answer

involves the transformation of substances into one or more new products.

Answer

the ability to work well and efficiently without wasting time and energy

Answer

standards or principles by which something is judged or decided.

Question 26

What does chemical reaction mean?

Accepted Answer

involves the transformation of substances into one or more new products.

Answer

the ability to work well and efficiently without wasting time and energy

Answer

standards or principles by which something is judged or decided.

Answer

limitations or restrictions that impact a project's scope or solutions.

Question 27

What does efficient mean?

Accepted Answer

to accomplish

Answer

to judge/decide

Answer

with/together

Answer

to bind/tie

Question 28

What does criterion mean?

Accepted Answer

to judge/decide

Answer

to accomplish

Answer

with/together

Answer

to bind/tie

Question 29

What does con mean in constraints?

Accepted Answer

with/together

Answer

to accomplish

Answer

to judge/decide

Answer

to bind/tie

Question 30

What does strain mean in constraints?

Accepted Answer

to bind/tie

Answer

to accomplish

Answer

to judge/decide

Answer

with/together

Question 31

What does cy mean in efficiency?

Accepted Answer

forms abstract/action nouns

Answer

to judge/decide

Answer

with/together

Answer

to bind/tie

Question 32

What does t mean in constraints?

Accepted Answer

forms the past tense of a verb

Answer

to judge/decide

Answer

with/together

Answer

to bind/tie

Question 33

What does research mean?

Accepted Answer

involves systematic investigation to establish facts or principles.

Answer

an early model or example built to test a concept or process.

Answer

a series of events caused by an initial action, often with increasing impact.

Answer

involves the transformation of substances into one or more new products.

Question 34

What does prototype mean?

Accepted Answer

an early model or example built to test a concept or process.

Answer

involves systematic investigation to establish facts or principles.

Answer

a series of events caused by an initial action, often with increasing impact.

Answer

involves the transformation of substances into one or more new products.

Question 35

What does cascading consequences mean?

Accepted Answer

a series of events caused by an initial action, often with increasing impact.

Answer

involves systematic investigation to establish facts or principles.

Answer

an early model or example built to test a concept or process.

Answer

involves the transformation of substances into one or more new products.

Question 36

What does proto in the word prototype mean?

Accepted Answer

first/original

Answer

impression

Answer

process

Answer

ponder

Question 37

What does the word TYPE mean in prototype?

Accepted Answer

impression

Answer

first/original

Answer

person I like

Answer

something

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