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GL revision G9

Total questions: 144

Worksheet time: 5hrs 0mins

Name
Class
Date
1.

What is the name of the subatomic particles that have a negative charge?

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

2.

What is the Value that represents the number of protons in an element?

a)

Atomic Mass

b)

Mass Number

c)

Valence Electrons

d)

Atomic Number

3.
Arrangement of elements organized by atomic number
a)
Electron Cloud 
b)
Periodic Table 
c)
Electron Configuration
d)
None of these
4.
Calculation used to find the number of neutrons in an atom
a)
Atomic Mass - Atomic Number
b)
Atomic Number - Atomic Mass
c)
Atomic Mass - Electrons
d)
none of these
5.

The only element with no neutrons in its nucleus is...

a)

Oxygen

b)

Helium

c)

Hydrogen

d)

Lithium

6.

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

a)

18 protons

b)

40 protons

c)

22 protons

d)

21.9 protons

7.

Al+3

This is an...

a)

Neutral atom

b)

ion

c)

isotope

8.

The atomic mass of an atom is equal to

a)

number of protons plus number of neutrons

b)

number of protons plus number of electrons

c)

number of electrons plus the number of neutrons

9.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
10.

What are the three types of radiations?

a)

Alpha, Beta and Gamma

b)

Electrons, Neutrons and Protons

c)

Alloy, Ion and Isotopes

11.
Water is an element
a)
true
b)
false
12.

The number of protons and the number of neutrons are always the same under any circumstance. (except in the Periodic Table)

a)

True

b)

False

13.
The smallest possible unit matter can be divided into while still maintaining its properties.
a)
Proton
b)
Atom
c)
Element
14.
The electrons that are on the outer most region of the atom
a)
Shell Electrons
b)
Violent Electrons
c)
Valence Electrons
15.
The horizontal rows of the periodic table
a)
Groups
b)
Periods
c)
Families
16.
The vertical rows of the periodic table, also called families
a)
Groups
b)
Periods
c)
Rows
17.
If an element has 14 protons, 15 neutrons, and 14 electrons, what is that elements atomic mass
a)
28
b)
14
c)
29
18.
Alkaline Earth Metals...
a)
are semiconductors
b)
are the most reactive type of elements
c)
have two valence electrons
19.

What element does this model represent?

a)

Nitrogen

b)

Potassium

c)

Sodium

20.

How many valency does carbon have

(a)  

21.

Isomers are organic compounds having same ______ formula and different _______ formula .

(a)  

22.

Alkynes are (a)   bonded compounds

23.

Organic Compound having 3 carbon atoms in a chain has root word as (a)  

24.

What is the reason why Noble gases are so stable?

a)

They have an even number of electrons

b)

They have no electrons

c)

They have a full outer shell of electrons

d)

They bond with other atoms

25.

How many electrons can be held in the first shell?

a)

1

b)

2

c)

4

d)

8

26.

How many electrons make a full outer shell in the 2nd or 3rd shells?

a)

1

b)

2

c)

4

d)

8

27.

A covalent bond...

a)

is when electrons are transferred between atoms

b)

is when an electron is lost from an atom

c)

is when an electron is shared by 2 atoms

d)

is a shared pair of electrons between 2 atoms

28.

Covalent bonds are formed between...

a)

2 non-metals

b)

a metal and a non-metal

c)

2 metals

d)

2 ions

29.

How many electrons are involved in a double bond?

a)

One pair of electrons

b)

Two pairs of electrons

c)

6 electrons

d)

8 electrons

30.

Which of these is not a covalent molecule?

a)

MgO

b)

CO2

c)

HCl

d)

CH4

31.

Chlorine has 7 electrons in it's outer shell. How many covalent bonds does it need to make to complete it's outer shell electrons?

a)

1

b)

2

c)

3

d)

4

32.

Oxygen has 6 electrons in it's outer shell. How many covalent bonds does it need to make to complete it's outer shell electrons?

a)

1

b)

2

c)

3

d)

4

33.

Carbon has 4 electrons in it's outer shell. How many covalent bonds does it need to make to complete it's outer shell electrons?

a)

1

b)

2

c)

3

d)

4

34.

What is the VALENCY of an element?

a)

The total number of electrons in the atom

b)

The number of electrons the atom needs to lose

c)

The number of electrons needed to obtain a complete outer shell

d)

The number of electrons closest to the nucleus

35.

Why do atoms have an overall neutral charge?

a)

So that they can't react

b)

Because they have neutrons in their nucleus

c)

Because they have electrons arranged in shells

d)

Because they have the same number of protons and neutrons

36.

How many ATOMS are in one molecule of CH4?

a)

2

b)

4

c)

5

d)

3

37.

Why is this diagram of bonding in carbon dioxide (CO2) incorrect?

a)

There should be 2 carbon atoms and one oxygen

b)

2 more electrons should be added to the carbon atom

c)

there should be a double bond not a single bond

d)

2 more electrons should be added to the oxygen atoms

38.

What is the correct formula for this molecule?

a)

CH

b)

C1H4

c)

CH4

d)

C4H

39.

Why are dots and crosses used to show the electrons in the bonds?

a)

To show which atoms the electrons belong to

b)

Because this is what electrons looks like

c)

To show if the electron came from a metal

d)

To show if the electrons are gained or lost

40.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
41.
Ions that are made of more than one atom are called...
a)
ionic compounds
b)
crystals
c)

polyatomic ions

d)
ionic bonds
42.
Which is most likely to form a negative ion...
a)

an element from Group 7

b)
a metal
c)
an element from Group 1
d)
an element with atoms that have eight valence electrons
43.
A(n) _____________ is an atom or group of atoms that has an electric charge. 
a)
ion
b)
electron
44.
When an atom loses a valence electron, it becomes a(n) _________ion.
a)
positive 
b)
negative
45.

Calcium Oxide, CaO

a)

Covalent Bond

b)

Ionic Bond

46.

Calcium Chloride, CaCl2

a)

Covalent Bond

b)

Ionic Bond

47.

Why do ionic bonds form?

a)

so the number of protons equals the number of electrons

b)

to fill the outermost energy level to make the atom stable

c)

so an atom can become unstable

48.

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

a)

Al+3

b)

Al+13

c)

Al+10

d)

Al-10

49.

if NONMETALS are more likely to GAIN electrons, they will form ...

a)

anions

b)

neutral atoms

c)

cations

50.
Elements in Group 1 lose one electron to form ions with a _________________ charge.
a)
1+
b)
2+
c)
0
d)
1-
51.

In the chemical formula for an ionic compound, which item is written first?

a)

positive ion (cation)

b)

negative ion (anion)

c)

subscript

d)

it's alphabetical

52.
What element always has an oxidation number of +1?
a)
Hydrogen
b)
Fluorine
c)
Chlorine
d)
Iodine
53.

The transfer of Valence electrons from a metal to a non metal is known as

a)

Covalent Bonding

b)

Metallic bonding

c)

Molecular bonding

d)

Ionic Bonding

54.

A(n) _________ is an ion with a positive (+) charge.

a)

anion

b)

cation

c)

ion

d)

solute

55.

What is an alpha particle?

a)

It is a dominant particle in a subatomic world

b)

It is a particle that has 2+ charge

c)

It is a particle that has 2- charge

d)

It is a helium atom without a charge

56.

What results did Rutherford observe in his Gold-Foil experiment?

a)

He observed that all alpha particles did go through a gold-foil in straight lines

b)

He observed that most alpha particles did not go through a gold-foil and stopped on one side of the gold foil.

c)

He observed that a small number of alpha particles bounced off the gold-foil at very large angles

d)

He observed that all alpha particles slightly deflected from the straight line when going through a gold-foil

57.

Choose one of the conclusions that Ernest Rutherford made based on the experimental results of his Gold-Foil experiment

a)

He concluded that the atom is indivisible

b)

He concluded that the atom is mostly empty space

c)

He concluded that the atom has neutrons

d)

He concluded that the atom is tightly packed with subatomic particles all mixed together

58.

How many total people took part in the survey?

a)

50

b)

150

c)

100

d)

200

59.

Identify the dependent variable by looking at the graph.

a)

Weeks

b)

Weekly Juice Data

c)

Cans Sold

d)

Indirect Relationship

60.

Based on the table provided, which type of graph would be best for the data?

a)

Line graph

b)

Bar Graph

c)

Pie Chart

d)

Scatter Plot

61.

Approximately what percentage of people prefer Tea as their favorite beverage?

a)

around 28%

b)

around 18%

c)

around 25%

d)

around 23%

62.

Which best decribes the line graph data of Chickcharney sightings?

a)

The population has steadily declined over the last 300 years.

b)

Since 1600, the population of Chickcharney has declined.

c)

The population of Chickcharney in 2000 was 0.

d)

Data of the Chickcharney was collected for 2000 years.

63.

What is the order of organization within living things?

a)

Cells, tissues, organs, organ systems, organism

b)

Tissues, cells, organs, organ systems, organism

c)

Organism, cells, tissues, organs, organ systems

d)

Organism, organ systems, cells, tissues, organs

64.

A nucleus is found within...

a)

Eukaryotic cells

b)

Prokaryotic cells

65.

What organelles are found in both prokaryotic and eukaryotic cells?

a)

Plasma membrane, cytoplasm, ribosome

b)

Cell wall, plasma membrane, nucleus

c)

Cytoplasm, plasma membrane, nucleoid

d)

Cytoplasm, nucleus, nucleoid

66.

What is the function of the chloroplasts?

a)

Stores genetic information

b)

Absorbs sunlight and allows photosynthesis to take place

c)

Controls what enters and exits the cell

d)

The site where chemical reactions take place in the cell

67.

What is one condition of the cell theory?

a)

That all living things consist of one or more cells

b)

That all living things are bacterial in nature

c)

That all living things are eukaryotic in nature

d)

That all living things are prokaryotic in nature

68.

What organelles are found in both animal and plant cells (eukaryotic cells)?

a)

Plasma membrane, cytoplasm, chloroplasts

b)

Cell wall, plasma membrane, nucleus

c)

Cytoplasm, plasma membrane, nucleus

d)

Cytoplasm, nucleus, nucleoid

69.

What are the basic structural units of all living things?

a)

Cells

b)

Organs

c)

Tissues

d)

Organ systems

70.

What structures are found within a bacterial cell?

a)

Cell wall, nucleus

b)

Cell wall, chloroplast

c)

Cytoplasm, cell wall

d)

Flagellum, nucleus

71.

What is the function of mitochondria?

a)

The provide energy to the cell through the production of ATP

b)

The give the cell support

c)

They store the genetic information of the organism

d)

They trap energy from the Sun that can be used for photosynthesis

72.

Which organelle produces proteins in the cell?

a)

Ribosome

b)

Nucleus

c)

Cell wall

d)

Plasma membrane

73.

If a scientist in New Zealand was studying how a group of herbivores interacted with a group of omnivores, and all of their abiotic surroundings, what level of ecology would she be studying?

a)

Community

b)

Population

c)

Species

d)

Ecosystem

e)

Biome

74.

Ruby-throated hummingbirds live in woodland areas, but also frequent gardens where flowering plants are plentiful. They hover to feed on flowers, nectar, and sap. During this floral feeding process, the birds pollinate many plants. These tiny birds are omnivores, sometimes feeding on insects and spiders.

a)

Habitat of an autotroph

b)

Niche of an autotroph

c)

Niche of a heterotroph

d)

Habitat of a heterotroph

75.

What was one example of a biotic-biotic interaction and an abiotic-biotic interaction from the clip.

4 lines
76.

Can two species occupy the exact same niche at the exact same time?


Use the Competitive Exclusion Principle to justify your answer.

4 lines
77.

Use your understanding of carrying capacity to explain what is happening in the graph between lynx and rabbits.

4 lines
78.

What is the PRODUCT of the process used by producers that is passed on as energy throughout an ecosystem?

a)

photosynthesis

b)

Sun

c)

glucose

d)

carbon dioxide

e)

water

79.

If there are 100 KJ of energy available at the secondary consumer level, how many KJ of energy are available at the producer level?

a)

10 KJ

b)

1,000 KJ

c)

10,000 KJ

d)

1 KJ

80.

Why are autotrophs so crucial to an ecosystem?


Support your answer with QUANTITATIVE data and use these vocabulary words:


Rule of 10%

Producers

Primary consumers

Secondary consumers

Tertiary consumers

4 lines
81.

What is the starting source of energy for all food chains?

a)

grass

b)

sun

c)

bug

d)

mushrooms

82.
What do the arrows represent in a food chain?
a)
Stop
b)
Start
c)
"Gives energy to"
83.

What is this model called?

a)

Food Chain

b)

Food Web

c)

Habitat

d)

Herbivore

84.
An animal that eats BOTH animals and plants is called an
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Habitat
85.

An animal that ONLY eats plants is called a

a)

Herbivore

b)

Carnivore

c)

Omnivore

d)

Plantivore

86.

An animal that ONLY eats other animals is called a

a)

Carnivore

b)

Omnivore

c)

Herbivore

d)

Consumer

87.

Why do people eat?

a)

to gather family

b)

to sleep

c)

for energy

d)

for exercise

88.

Lions only eat buffalo, antelopes, zebras and crocodiles. They are called __________.

a)

Omnivore

b)

Herbivore

c)

Carnivore

d)

Delivore

89.

Bears eat fish, insects, plants, seeds, nuts and young elk. They are called __________.

a)

Franivore

b)

Carnivore

c)

Herbivore

d)

Omnivore

90.

An animal that only eats plants is a...

a)

carnivore

b)

omnivore

c)

herbivore

d)

decomposer

91.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
92.

What's the name of this habitat?

a)

Forest

b)

Desert

c)

Ocean

d)

Tundra

93.

What's the name of this habitat?

a)

Forest

b)

Desert

c)

Ocean

d)

Tundra

94.

What's the name of this habitat?

a)

Forest

b)

Desert

c)

Ocean

d)

Tundra

95.
A habitat is a specific place that an animal lives.
a)
True
b)
False
96.
What is a habitat?
a)
A place animals call home
b)
Something animals eat
c)
A region with just non-living organisms
97.
Heat makes things _______________________
a)
colder
b)
warmer
c)
faster
98.
Heat is a form of _______________.  
a)
movement
b)
energy
c)
melting
99.

Without the sun's heat, what would happen to earth?

a)

aliens would invade

b)

the earth would explode

c)

it would be too cold to survive

100.

What is a conductor?

a)

a material that heat moves through easily

b)

a material that heat does not move through easily

c)

a material that turns cold when heated

d)

a tool for measuring temperature

101.

Which of these is a better conductor?

a)
b)
102.

Stir frying vegetables is an example of

a)

Convection

b)

Conduction

c)

Radiation

103.

Hot water rises and cold water sinks. Is this:

a)

Convection

b)

Conduction

c)

Radiation

104.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
105.

Cold Pack on Person

a)

Heat is transferred from the cold pack to the person.

b)

Heat is transferred from the person to the cold pack

c)

The cold pack is getting colder. The person is getting warmer.

106.
What is the relative formula mass of NaOH?
a)
20
b)
39
c)
40
d)
45
107.
What happens immediately after you dissolve acid in water?
a)
Positively charged hydrogen atoms are released.
b)
Hydronium ions are released.
c)
Negatively charged hydrogen atoms are released.
d)
Neutrally charged hydrogen atoms are released.
108.

This ion is responsible for the properties of bases

a)

Sodium ion

b)

Hydrogen ion

c)

Hydroxide ion

d)

Oxide ion

109.

Which organic molecule gives fast source of energy?

a)

a. carbohydrates

b)

b. lipids

c)

c. nucleic acids

d)

d. proteins

110.

Which of the following is considered as the building blocks of protein?

a)

a. amino acids

b)

b. nucleic acids

c)

c. nucleotides

d)

d. polypeptides

111.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
112.
The tool used to measure the mass of a substance or object is a ______________.
a)
balance
b)
graduated cylinder
c)
ruler
d)
thermometer
113.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
114.
What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?
a)
13.3 g
b)
13.3 cm3
c)
.075 g
d)
1695 cm3
115.
If two charges repel each other, the two charges must be
a)
Positive and neutra
b)
Positive and negative
c)
positive and neutral
d)
negative and negative
116.
If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that
a)
friction destroyed electrons in the rod.
b)
the silk has become negatively charged.
c)
protons have moved to the rod.
d)
glass attracts more protons.
117.
Objects that have opposite charges
a)
are attracted to each other, and the force between the objects pulls them together.
b)
are attracted to each other, and the force between the objects pushes them apart.
c)
are repelled by each other, and the force between the objects pulls them together.
d)
are repelled by each other, and the force between the objects pushes them apart.  
118.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
119.
What is the half-life of iodine-131?
a)
32 days
b)
8 days
c)
16 days
d)
24 days
120.

The % of the parent isotope remaining after 1 Half Life.

a)

50%

b)

25%

c)

12.5%

d)

6.25%

121.

What is the Half life of this isotope?

a)

5 seconds

b)

10 seconds

c)

15 seconds

d)

20 seconds

122.

The __________ has the same number of Protons but different number of Neutrons.

a)

Ion

b)

Element

c)

Isotopes

d)

Atom

123.

The _____________ has different numbers of Protons and Electrons.

a)

Ion

b)

Element

c)

Atom

d)

Isotopes

124.
What would indicate that a series of fossils represent evolution?
a)
the fossils were identical
b)
the fossils were found in the same layers of rock
c)
the fossils show similarities
d)
the fossils were completely different
125.
Change over time is
a)
evolution
b)
generation
c)
growth
d)
biogenesis
126.
What animal is Darwin known for studying?
a)
dinosaurs
b)
tunicates
c)
finches
d)
horses
127.
Natural selection is
a)
survival of the fittest
b)
humans change
c)
two species are the same
d)
more animals survive
128.
This makes an organism more suited to its enviornment
a)
species
b)
lifespan
c)
adaptation
d)
mutation
129.

Natural selection results in change in a population's _____________ traits over time.

a)

inherited

b)

acquired

130.

Sound is produced by -----

a)

Heat energy

b)

Low temperatures

c)

Vibrations

d)

Friction

131.

A wave that requires a medium to travel

a)

mechanical wave

b)

chemical wave

c)

electromagnetic wave

d)

pitch

132.

The number of wavelengths that pass a point each second

a)

frequency

b)

wavelength

c)

pitch

d)

amplitude

133.

Ink can be separated by a method of -----------------------------------------------

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

134.
chromatography separates the mixture of dyes on the basis of their ----------------------------
a)
density
b)
solubility
c)
gravity
d)
boiling point
135.

Whenever there is an interaction between two objects, there is a force upon each of the objects.

a)

True

b)

False

136.

A car braking is an exmaple of what type of force?

a)

Gravity

b)

Air Resistance

c)

Friction

137.

What is the name of the force that pulls you to the earth?

a)

Gravity

b)

Air Resistance

c)

Friction

138.

Complete the sentence.

It is not the difference in gravity that causes objects to fall at different speeds, it’s the difference in the amount of__________________.

a)

Gravity

b)

Mass

c)

Air resistance

139.

The amount of matter in an object is its _____________.

a)

Weight

b)

Mass

c)

Force

140.

If you jump out of an airplane, which two forces are acting on you?

a)

Gravity and friction

b)

Force and gravity

c)

Gravity and Air Resistance

141.
What is the definition of "weight"?
a)
measure of the force of gravity on your body
b)
the time it takes to get on a ride 
c)
the amount of matter in an object
d)
the size of an object
142.
The picture shows sunlight shining on solar panels. 
Which statement best describes this energy source?
a)
Sunlight is a renewable energy source used to produce hydropower.
b)
Sunlight is a nonrenewable energy source used to produce nuclear power.
c)
Sunlight is a renewable energy source used to produce electricity.
d)
Sunlight is a nonrenewable energy source used to produce natural gas.
143.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
144.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical

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140 questions

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148 questions

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Worksheet

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