Quiz about Study Guide for Chemical Reactions & Energy Vocabulary Quiz

Question 1

What is the term for the value you get when you add up all the numbers in a set and then divide by how many numbers there are?

Accepted Answer

average

Answer

sum

Answer

median

Answer

product

Question 2

What is the smallest particle of an element that can exist, the basic building blocks for all matter?

Accepted Answer

atom

Answer

molecule

Answer

cell

Answer

proton

Question 3

What is the term for the number of protons in the nucleus of an atom; determines what element the atom is?

Accepted Answer

atomic number

Answer

mass number

Answer

isotope number

Answer

atomic mass

Question 4

What is the term for the change that happens when two or more substances act on each other to form a different substance?

Accepted Answer

reaction

Answer

bond

Answer

mixture

Answer

solution

Question 5

What is a chain reaction of effects, where one change leads to others called?

Accepted Answer

cascading consequences

Answer

isolated event

Answer

static outcome

Answer

random occurrence

Answer

single effect

Question 6

What is a chemical that makes a chemical reaction happen faster called?

Accepted Answer

catalyst

Answer

solvent

Answer

reactant

Answer

inhibitor

Question 7

What is a change in how the atoms of one or more substances are arranged; it leads to the formation of a new substance and is usually not reversible called?

Accepted Answer

chemical change

Answer

physical change

Answer

mixture

Answer

solution

Question 8

What are symbols and numbers to show the types and amounts of atoms in a molecule or compound called? Example: H2O for water.

Accepted Answer

chemical formula

Answer

atomic number

Answer

isotope notation

Answer

molecular weight

Question 9

What is the process called when chemicals combine to cause new substances to be formed?

Accepted Answer

chemical reaction

Answer

evaporation

Answer

filtration

Answer

condensation

Question 10

What is it called when two or more objects or particles hit each other?

Accepted Answer

collision

Answer

reflection

Answer

diffusion

Answer

fusion

Question 11

What is composed of more than one element, ingredient or part?

Accepted Answer

compound

Answer

atom

Answer

molecule

Answer

element

Question 12

What is the process that transfers heat through physical touch called?

Accepted Answer

conduction

Answer

radiation

Answer

evaporation

Answer

insulation

Question 13

What is the term for protecting from loss; to use carefully, example: Law of Conservation of Mass-in a chemical reaction, matter is not created or destroyed, it is conserved?

Accepted Answer

conserve

Answer

destroy

Answer

expand

Answer

ignore

Question 14

In a chemical reaction, what is the law that states matter is not created or destroyed, it is conserved?

Accepted Answer

Conservation of Mass

Answer

Law of Definite Proportions

Answer

Law of Multiple Proportions

Answer

Law of Constant Energy

Question 15

What are limits or restrictions in a design challenge, examples: size, time, cost, materials available called?

Accepted Answer

constraint

Answer

variable

Answer

solution

Answer

prototype

Question 16

What is the term for the process that transfers heat through circulation in water?

Accepted Answer

convection

Answer

radiation

Answer

conduction

Answer

insulation

Question 17

What is the term for specific goals or rules that a successful design must meet, for example: must hold 100 grams without breaking?

Accepted Answer

criteria

Answer

variables

Answer

constraints

Answer

materials

Question 18

What is the term for a particle of matter that has a negative electrical charge and travels around the nucleus of an atom?

Accepted Answer

electron

Answer

proton

Answer

neutron

Answer

positron

Question 19

What is the term for the area around the nucleus of an atom where electrons are likely to be found?

Accepted Answer

electron cloud

Answer

proton shell

Answer

atomic core

Answer

neutron zone

Question 20

What is the term for a pure chemical substance that cannot be physically split into a simpler substance; each is made of one type of atom, examples: carbon, mercury, hydrogen?

Accepted Answer

element

Answer

compound

Answer

mixture

Answer

solution

Question 21

What is the term for a process or reaction that absorbs heat from its surroundings, example: ice melting?

Accepted Answer

endothermic

Answer

exothermic

Answer

isothermal

Answer

catalytic

Question 22

What is the term for the ability to do work and move or cause change in matter?

Accepted Answer

energy

Answer

mass

Answer

volume

Answer

density

Question 23

What is the term for a process or reaction that releases heat to its surroundings, example: fireworks explode?

Accepted Answer

exothermic

Answer

endothermic

Answer

isothermal

Answer

photolytic

Question 24

What is the term for using observations and background knowledge to make a conclusion or educated guess about something not directly observed?

Accepted Answer

infer

Answer

observe

Answer

predict

Answer

measure

Question 25

What is the term for a form of energy created by motion?

Accepted Answer

kinetic energy

Answer

potential energy

Answer

thermal energy

Answer

chemical energy

Question 26

What is the term for the physical substance that everything is made of?

Accepted Answer

matter

Answer

energy

Answer

force

Answer

space

Question 27

What is the term for a simple combination of materials; not chemically combined, does not change properties of separate parts?

Accepted Answer

mixture

Answer

compound

Answer

solution

Answer

element

Question 28

What is the term for the smallest particle of a substance that retains all the substance's properties and is composed of one or more atoms?

Accepted Answer

molecule

Answer

atom

Answer

ion

Answer

compound

Question 29

What is the term for a particle of matter that has no electrical charge and forms part of the nucleus of an atom?

Accepted Answer

neutron

Answer

proton

Answer

electron

Answer

positron

Question 30

What is the term for the part of an atom with a positive electrical charge at the center and that has most of the atom's mass?

Accepted Answer

nucleus

Answer

electron

Answer

neutron

Answer

isotope

Question 31

What is the term for making the best possible version of something by improving the design based on tests and feedback?

Accepted Answer

optimize

Answer

duplicate

Answer

ignore

Answer

complicate

Question 32

What is the term for a table that shows all the elements arranged by atomic number?

Accepted Answer

periodic table

Answer

element chart

Answer

atomic table

Answer

chemical list

Question 33

A change to the physical properties of a substance, example: a change in size, is called a ________.

Accepted Answer

physical change

Answer

chemical change

Answer

nuclear change

Answer

biological change

Question 34

The energy something has because of its position or how its parts are arranged is called ________.

Accepted Answer

potential energy

Answer

kinetic energy

Answer

thermal energy

Answer

chemical energy

Question 35

The energy stored in elastic materials as the result of their stretching or compressing is called ________.

Accepted Answer

potential (elastic) energy

Answer

kinetic energy

Answer

thermal energy

Answer

chemical energy

Question 36

The amount of potential energy determined by an object's height and mass is called ________. Example: the higher an object, the greater its potential energy.

Accepted Answer

potential (gravitational) energy

Answer

kinetic energy

Answer

thermal energy

Answer

chemical energy

Question 37

A substance formed in a chemical reaction is called a ________.

Accepted Answer

product

Answer

reactant

Answer

catalyst

Answer

solvent

Question 38

Qualities or characteristics of something are called ________.

Accepted Answer

properties

Answer

actions

Answer

locations

Answer

events

Question 39

A model or first version of a design used to test and improve ideas is called a ________.

Accepted Answer

prototype

Answer

blueprint

Answer

manual

Answer

sketch

Question 40

A particle of matter that has a positive electrical charge and forms part of the nucleus of an atom is called a ________.

Accepted Answer

proton

Answer

electron

Answer

neutron

Answer

photon

Question 41

A substance that has a definite and constant composition; can be either an element or a compound, is called a ________.

Accepted Answer

pure substance

Answer

mixture

Answer

solution

Answer

colloid

Question 42

The process that transfers heat through waves in the air is called ________.

Accepted Answer

radiation

Answer

conduction

Answer

convection

Answer

insulation

Question 43

A substance that enters a chemical reaction and is changed is called a ________.

Accepted Answer

reactant

Answer

product

Answer

catalyst

Answer

solvent

Question 44

The change that happens when two or more substances act on each other to form a different substance is called a ________.

Accepted Answer

reaction

Answer

solution

Answer

mixture

Answer

element

Question 45

Gathering information from observations, experiments, or reliable sources to learn more about a topic is called ________.

Accepted Answer

research

Answer

guesswork

Answer

imagination

Answer

procrastination

Question 46

People or groups who are affected by or have an interest in a project or solution, such as engineers, users, or community members, are called ________.

Accepted Answer

stakeholders

Answer

contractors

Answer

investors

Answer

designers

Question 47

The state of being steady and not likely to change is called ________.

Accepted Answer

stability

Answer

velocity

Answer

fragility

Answer

mobility

Question 48

A type of physical matter or material is called a ________.

Accepted Answer

substance

Answer

energy

Answer

solution

Answer

mixture

Question 49

Each element has a symbol on the periodic table. For example, gold is Au. This is called a ________.

Accepted Answer

symbol

Answer

formula

Answer

number

Answer

mass

Question 50

A group of interacting or related parts that work together to form a whole is called a ________.

Accepted Answer

system

Answer

atom

Answer

cell

Answer

molecule

Question 51

Fill in the blank: The average kinetic energy of the atoms or molecules within a substance is called _________.

Accepted Answer

temperature

Answer

pressure

Answer

density

Answer

volume

Question 52

Fill in the blank: All substances and objects are made of particles that are in motion, the amount of kinetic energy of these moving particles is called __________.

Accepted Answer

thermal energy

Answer

potential energy

Answer

chemical energy

Answer

nuclear energy

Question 53

Fill in the blank: When all substances become the same temperature; thermal equilibrium has been reached, and the energy transfer will stop; the energy transfer will continue until all substances within a system are at the same temperature. This is called ___________.

Accepted Answer

thermal equilibrium

Answer

thermal expansion

Answer

specific heat

Answer

conduction

Question 54

Fill in the blank: Giving up of one benefit to gain another; choosing one option may mean losing something else is called a ___________.

Accepted Answer

trade-off

Answer

opportunity cost

Answer

investment

Answer

profit

Question 55

Fill in the blank: Energy can be transferred between substances. This is called ___________.

Accepted Answer

transfer

Answer

reflection

Answer

absorption

Answer

evaporation

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