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Worksheets

Final Quizizz

Total questions: 100

Worksheet time: 2hrs 55mins

Name
Class
Date
1.

Is a change in matter that produces one or more new substances

a)

precipitate

b)

endothermic reaction

c)

chemical reaction

d)

activation energy

2.

A solid that forms from a solution during a chemical reaction

a)

precipitate

b)

concentration

c)

chemical reaction

d)

inhibitor

3.

The total mass of the reactants must equal the total mass of products. Matter is never created or destroyed

a)

Conservation of Mass

b)

Pascal's Principle

c)

catalyst

d)

inhibitor

4.

Identify the type of change, based on the given picture.

a)

chemical change

b)

physical change

c)

nuclear change

d)

both a and b

5.
On the left side of a chemical reaction are the ....
a)
Reactants
b)
Products
6.
Provides evidence that a chemical reaction has occurred. 
a)
dissolving 
b)
melting
c)
formation of a gas
d)
bending
7.
An gel ice pack getting cold after you put it in the freezer for an hour.
a)
Chemical Change
b)
Physical Change
8.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
9.

Which of the following 2 are chemical reactions?

a)

sugar dissolving in water

b)

water turning into steam

c)

burning wood

d)

mixing baking soda and vinegar

e)

tearing paper

10.
What indicates a chemical reaction occurred?
a)
Heat or Light is released
heat or light is produced
b)
gas (bubbles) produced
c)
color change
d)
all of the above
11.

1. How is a chemical change different from a physical change?

a)

there is no difference

b)

a physical change creates a new substance

c)

a chemical change creates a new substance

12.

A type of reaction that absorbs energy in the form of heat or light.

a)

Chemical reaction

b)

Exothermic reaction

c)

Endothermic reaction

d)

Precipitate

13.

A type of reaction that releases energy through heat or light

a)

Chemical reaction

b)

Exothermic reaction

c)

Endothermic reaction

d)

Law of Conservation of Mass

14.

What type of reaction is: 3Ca + 2AlCl3 --> 3CaCl2 + 2Al

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double replacement

15.

What type of reaction is: P4 + 3O2 --> 2P2O3

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Combustion

16.
Which of the following is the general formula for a decomposition reaction?
a)
A + B  → AB
b)
AB → A + B
c)
AB + C → AC + B
d)
AB + CD → AC + BD
17.

When balancing equations a ____ can be placed to the left of a formula for a substance to make the equations balanced

a)

charge

b)

subscript

c)

random number

d)

coefficient

18.

What type of reaction is: H2SO4 + Fe -->H2 + FeSO4

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

19.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
20.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
21.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
22.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
23.
What is the total number of atoms present in 5Na3PO4
a)
5
b)
40
c)
55
d)
8
24.
What is the little number after an element in a chemical equation called.
Example: H2
a)
Coefficient 
b)
Subscript
c)
Atom
d)
Equation
25.
Is the following equation balanced?
2C2H2 + 5O2 --> 4CO2 + 2H2O
a)
yes
b)
no
26.

In a chemical reaction, no new atoms are created, and no atoms are _________________.

a)

Destroyed

b)

Created

27.

A reaction that gives off heat

a)

Exothermic

b)

Endothermic

28.

What is a chemical equation?

a)

a diatomic molecule

b)

a shorthand representation of a chemical bond

c)

a shorthand representation of a chemical reaction

d)

a substance

29.

Can the subscripts in a chemical reaction be changed?

a)

Cannot be determined

b)

Maybe, depending on the energy released

c)

No, they define the molecules in the reaction

d)

Yes, to balance the equation

30.
Which of the following is true of the law of conservation of mass?
a)
The same number and type of each atom will always be present before and after a chemical reaction takes place.
b)
Some of the atoms present before the reaction will always be lost during a chemical reaction.
c)
Some of the atoms will always be changed into a different type of atom by a chemical reaction.
d)
During a chemical reaction, atoms will always be combined into much larger molecules.
31.
CaCO3 represents a chemical
a)
Symbol
b)
Formula
c)
Subscript
d)
Reaction
32.
Which chemical reaction switches 2 elements?
a)
Double Replacement
b)
Single Replacement
c)
Combustion
d)
Decomposition
33.
A relationship between two species where one benefits while the other is harmed.
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Naturalism
34.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
35.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
36.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
37.
How many types of symbiosis are there?
a)
5
b)
7
c)
3
d)
If you pick this you're silly
1000
38.
In this picture, the ZEBRA is the __________________
a)
predator
b)
prey
39.
In this picture, the lion is the __________________
a)
predator
b)
prey
40.
a relationship in which two different organisms live in close association with each other
a)
mutualism
b)
commensalism
c)
symbiosis
d)
parasitism
41.
Evidence shows that some grasses benefit from being grazed. Which of the following terms would best describe this plant-herbivore interaction?
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Competition
42.

In which type of interaction does one animal eat another for energy and nutrients?

a)

Competition

b)

Parasitism

c)

Predation

d)

Mutualism

43.
Which symbols best describe commensalism?
a)
+,+
b)
+,-
c)
+,0
d)
0,0
44.

Living factors or organisms that affect an ecosystem are

a)

abiotic factors

b)

species

c)

trophic level

d)

biotic factors

45.
What are the ecological levels of organization from smallest to the largest?
a)
organism, population, community, ecosystem, biome, biosphere
b)
organism, community, population, ecosystem, biome, biosphere
c)
organism, population, community, biome, ecosystem, ecosphere.
d)
organism, community, population, biome, ecosystem, ecosphere
46.

The gradual change that comes to an ecosystem as it matures.

a)

Biomass

b)

Abiotic Succession

c)

Ecological Succession

d)

Pioneer Species

47.

The first organisms to reappear after an ecosystem is damaged.

a)

Abiotic Community

b)

Pioneer species

c)

Succession

d)

Biomass

48.

An ecosystem that has been stable for a long period of time with a high level of species diversity.

a)

Lichen

b)

Pioneer Species

c)

Climax Community

d)

Succession

49.

The progression of life in an area that starts with bare rock or sand but no soil. Example: a volcanic island.

a)

Climax Community

b)

Pioneer Species

c)

Secondary Succession

d)

Primary Succession

50.

The progression of life in an area that starts with soil.

Example: after a forest fire.

a)

Biomass

b)

Pioneer Species

c)

Primary Succession

d)

Secondary Succession

51.

What is one way secondary succession differs from primary succession?

a)

Secondary succession is typically quicker than primary succession.

b)

Secondary succession is typically slower than primary succession.

c)

Secondary succession only occurs in mountains, primary succession only occurs in wetlands.

d)

Secondary succession is the gradual change in plant species, while primary succession is the gradual change in animal species.

52.
First species to arrive in an area
a)
invasive species
b)
abiotic components
c)
pioneer species
d)
parasites
53.
Series of changes where an existing community is destroyed
a)
primary succession
b)
secondary succession
c)
commensalism
d)
competition
54.
Stable, final stage of succession
a)
adaptation
b)
pioneer species
c)
niche
d)
climax community
55.
First species occuring in areas of primary succession are mosses and
a)
grasses
b)
wildflowers
c)
trees
d)
lichens
56.
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
a)
Lichens → Shrubs → Grasses → Trees
b)
Lichens → tree → shrubs→Grasses
c)
Grasses → Lichens → Shrubs → Trees
d)
Lichens → Grasses → Shrubs → Trees
57.

In which type of succession is soil already present?

a)

primary succession

b)

secondary succession

c)

both types of succession

58.
What is the most important function of pioneer species?
a)
To create rocks
b)
To create soil and add nutrients to the environment 
c)
To look nice
d)
Food for animals 
59.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
60.
An ecosystem contains living and nonliving things.
a)
True
b)
False
61.

TRUE or FALSE: Scarcity of resources can cause a decrease in population size of a species that relies on that resource.

a)

true

b)

false

62.

Living things that get ____ of a resource may grow more slowly and be less likely to survive and reproduce.

a)

more

b)

less

63.

When resources are ____, populations remain stable or increase in size.

a)

abundant

b)

scarce

64.

Natural disasters such as flooding,forest fires, and tornadoes are associated with which type of succession?

a)

primary

b)

secondary

c)

Gordito

d)

ecosystem

65.

The picture display which type of succession?

a)

primary

b)

secondary

c)

tertiary

d)

all of the above

66.

The picture displays which type of succession?

a)

primary

b)

secondary

c)

tertiary

d)

all of the above

67.

Why does primary succession typically occur over a longer period of time (as compared to secondary succession)?

a)

Because trees do not perform respiration

b)

Because the climax community is usually a forest.

c)

Because primary succession already has soil

d)

Because primary succession does not begin with soil being present

68.

What is an example of an area that is likely to undergo primary succession?

a)

Glaciers melt and leave exposed rock

b)

Plants die from drought and decompose

c)

Land is bulldozed and soil remains

d)

A forest fire occurs

69.

An increase in biodiversity or a progression over time -after a natural or man made disturbance - is called what?

a)

ecological recession

b)

climax recession

c)

ecological succession

d)

climax succession

70.
What are examples of pioneer species in a primary succession?
a)
Bushes and Shrubs
b)
Oak trees
c)
Mossess and Lichens 
d)
A rose Bush
71.
A pioneer species is...
a)
a large organism
b)
the first organisms to adapt to a new environment 
c)
The best organism 
d)
Abiotic organisms 
72.
Why does primary succession take longer to reach climax community?
a)
Because trees do not perform photosyntheses.
b)
Because climax community is in a forrest.
c)
Because primary succession already has soil
d)
Because primary succession does not have soil
73.

An area that is faster to become a forest due to the presence of soil is ...

a)

Primary Succession

b)

Secondary Succession

74.

Pioneer species are the first

a)

trees to grow in an area that has been disturbed

b)

trees that replace the original trees after a forest fire

c)

organisms to live in previously uninhabited areas

d)

organisms to live in a forest canopy

75.

Elements that share common traits of both metals and non-metals are referred to as

a)

metals

b)

non-metals

c)

halogens

d)

metalloids

76.

What are the vertical columns on the periodic called?

a)

groups

b)

periods

c)

nonmetals

d)

metals

e)

metalloids

77.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
78.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
79.

The periodic table is organized in horizontal rows called...

a)

Groups

b)

Periods

c)

Families

d)

Chemical Symbols

80.

What is common among elements in the same group?

a)

They have the same number of energy levels.

b)

They have the same number of valence electrons.

c)

They have the same number of protons.

d)

They have the same number of neutrons and protons.

81.

When elements fall under the same column, this means they belong to the same ______.

a)

group

b)

period

82.

Which elements have 1 valence electron?

a)

period 1

b)

group 1

c)

group 4

83.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
84.

The electrons in the outermost shell (main energy level) of an atom; these are the electrons involved in forming bonds

a)

alkali metals (group 1)

b)

Halogens (Group 17)

c)

atomic number

d)

valence electrons

85.

A subatomic particle that has a negative charge

a)

nobles gases

b)

protons

c)

electrons

d)

neutrons

86.

neutron

a)

A subatomic particle that has a positive charge and that is found in the nucleus of an atom

b)

not able to conduct heat or electricity, little to no metallic luster

c)

A subatomic particle that has a negative charge

d)

A small particle in the nucleus of the atom, with no electrical charge

87.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
88.

In each square of the periodic table, the number at the bottom is the:

a)

atomic number

b)

atomic mass

c)

chemical symbol

d)

element name

89.

The atomic number is the

a)

average mass of the element

b)

number of protons an element has

c)

number of valence electrons an element has

d)

group and period an element belongs to

90.

Electrons...

a)

are found in the nucleus

b)

give us the atomic number of an element

c)

are how we identify each elements

d)

have a negative charge

91.

Elements in the same period have the same number of

a)

neutrons

b)

valence electrons

c)

electrons

d)

energy levels

92.

___________________ are positively charged particles located in the nucleus of an atom.

a)

Electrons

b)

Neutrons

c)

Protons

d)

Isotopes

93.

Rows in the Periodic Table are called

a)

Periods

b)

Groups/Families

c)

Cousins

d)

Metals

94.

Protons have a ____________ charge, neutrons have a ____________ charge, and electrons have a ____________ charge.

a)

positive; negative, neutral

b)

positive, neutral, negative

c)

neutral, negative, positive

d)

negative, neutral, positive

95.
All matter is made of
a)
atoms
b)
cells
96.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
97.

The number of protons in the nucleus of an atom is equal to the:

a)

Atomic number

b)

Atomic mass

c)

Number of neutrons

d)

Number of valence electrons

98.

The total number of protons and neutrons in an atom's nucleus is equal to the:

a)

Atomic number

b)

Atomic mass

c)

Number of valence electrons

d)

Number of electron shells

99.

The model of an atom that uses dots surrounding the atomic symbol to represent valence electrons is called the:

a)

Bohr Model

b)

Lewis Dot Structure

c)

Rutherford Model

d)

Thomson Model

100.

The model of an atom that shows electrons in circular orbits around the nucleus is called the:

a)

Bohr Model

b)

Lewis Dot Structure

c)

Rutherford Model

d)

Thomson Model