1.
Which oxygen level best describes a river that contains the lowest variety of
invertebrates?
(A)
(B)
(C)
(D)
2.
Allowing four - wheel bikes to cross a stream would impact which factor the
most?
(A)
(B)
(C)
(D)
3.
acid
antifreeze
fertilizer
oil
Which human action is a global concern?
(A)
(B)
(C)
(D)
5.
dissolved oxygen level
pH
phosphate level
turbidity
Adding which substance to a river increases the phosphate levels?
(A)
(B)
(C)
(D)
4.
2 mg/L
4 mg/L
6 mg/L
8 mg/L
burning fossil fuels in cars
dumping sewage in a river
growing crops on a farm
setting up a landfill
Which best describes a water sample that contains the lowest amount of
pollution?
pH
Turbidity
(mg/L)
Dissolved
oxygen (mg/L)
(A)
6.5
5.1
9.2
(B)
7.8
11.3
9.6
(C)
11.5
8.9
4.2
(D)
13.4
6.4
2.1
1
6.
What does the step-like bold line in a periodic table separate?
(A)
(B)
(C)
(D)
7.
What is always true of a chemical reaction?
(A)
(B)
(C)
(D)
8.
10.
mass of reactants = mass of products
mass of reactants < mass of products
number of reactant particles = number of product particles
number of reactant particles < number of product particles
What property does the pH scale measure?
(A)
(B)
(C)
(D)
9.
metals and gases
metals and non-metals
solids and gases
solids and non-metals
acidity
boiling point
concentration
density
Which combination of characteristics best describes magnesium?
State at room
temperature
number of
electrons
(A)
solid
6
(B)
gas
6
(C)
solid
12
(D)
gas
12
How many elements are present in MgSO4?
(A) 1
(B) 3
(C) 4
(D) 6
2
11.
12.
A solution has a pH less than 7. Which best describes the solution and a method
to neutralize it?
solution
method of
neutralization
(A)
acidic
add acid
(B)
acidic
add base
(C)
basic
add base
(D)
basic
add acid
Which group of elements have similar properties?
(A)
(B)
(C)
(D)
13.
B, Al, Ar
F, Br, I
He, Fe, Be
Li, Be, N
Calcium reacts with hydrochloric acid to produce hydrogen gas and calcium
chloride. Which word equation represents this reaction?
(A) calcium + calcium chloride → hydrogen + hydrochloric acid
(B) calcium + hydrochloric acid → calcium chloride + hydrogen
(C) calcium chloride + hydrogen → hydrochloric acid + calcium
(D) calcium chloride + hydrochloric acid → calcium + hydrogen
14.
Which combination correctly describes an electron?
Charge
Location
(A)
negative
inside nucleus
(B)
negative
outside nucleus
(C)
positive
outside nucleus
(D)
positive
inside nucleus
3
15.
Which is a chemical change?
(A)
(B)
(C)
(D)
16.
17.
18.
car rusting
chocolate melting
stones being crushed
water evaporating
Which form of antacid will give the fastest relief?
(A)
whole tablet
(B)
split in half
(C)
quartered
(D)
powder
How many protons and electrons are present in an atom of oxygen?
Protons
Electrons
(A)
16
16
(B)
8
8
(C)
8
16
(D)
16
8
Which substance can be broken down into more than one type of atom?
(A)
(B)
(C)
(D)
bromine
oxygen
water
xenon
4
19.
Substance A decomposes to produce CaO and CO2. Which best describes
substance A?
(A)
(B)
(C)
(D)
20.
atom with the elements calcium, cobalt and carbon dioxide
atom with the elements calcium, oxygen and carbon
compound with the elements calcium, oxygen and carbon
compound with the elements calcium, cobalt and carbon dioxide
Excess stomach acid can be neutralized with an antacid. Which graph best shows
the change in pH when the antacid reaches the stomach?
(A)
(B)
(C)
(D)
5
21.
In the reaction below, substance C is a gas that turns limewater milky. Which best
describes substance C in the reaction below?
A + B → C + D 40g 10g ? 45g 22.
Substance
Mass (g)
(A)
oxygen
5
(B)
oxygen
30
(C)
carbon dioxide
5
(D)
carbon dioxide
30
What is the energy supplied to electrons in an electric circuit?
(A)
(B)
(C)
(D)
23.
current
power
resistance
voltage
Which symbol represents a switch?
(A)
(B)
(C)
(D)
6
24.
Which is true of the energy transformation in using a thermocouple?
(A)
(B)
(C)
(D)
25.
Which balloons will repel?
(A)
(B)
(C)
(D)
26.
Charge of balloon 2
negative
neutral
negative
neutral
electrical → mechanical → light
light → electrical → mechanical
light → mechanical→ electrical
mechanical → electrical → light
A BBQ lighter uses the piezoelectric effect to produce a flame. Which represents
the energy changes that occur?
(A)
(B)
(C)
(D)
28.
Charge of balloon 1
negative
negative
neutral
neutral
What is the order of energy changes when a bike dynamo is used to power a light?
(A)
(B)
(C)
(D)
27.
electrical → heat
electrical → light
heat → electrical
light → electrical
chemical → electrical → thermal
electrical → thermal → mechanical
mechanical → electrical → thermal
thermal→ chemical→ electrical
What is the voltage of a battery containing three 1.5 V cells?
(A)
(B)
(C)
(D)
1.5 V
3V
4.5 V
6V
7
29.
Which device measures the current flowing through a household circuit?
(A)
(B)
(C)
(D)
30.
ammeter
galvanometer
thermocouple
voltmeter
Which varies the amount of brightness or the volume in a device?
(A)
(B)
(C)
(D)
31.
Which is a load in a simple circuit?
(A)
(B)
(C)
(D)
8
32.
In addition to a bulb and wire, what materials are required in order for a circuit to
work?
(A)
(B)
(C)
(D)
33.
battery and open switch
battery and closed switch
motor and closed switch
motor and open switch
Which switches need to be closed to light both bulbs 1 and 3 only?
B
A
C
2
1
D
3
(A)
(B)
(C)
(D)
A, B, C
A, B, D
A, C, D
B, C, D
9
Which displays the change as a light source is moved away from a solar cell?
current (A)
(A)
distance (cm)
current (A)
(B)
distance (cm)
current (A)
(C)
distance (cm)
(D)
current (A)
34.
distance (cm)
10
35.
36.
Which combination of materials produces the highest voltage?
Electrodes
Electrolyte
(A)
carbon/carbon
distilled water
(B)
carbon/zinc
distilled water
(C)
carbon/carbon
salt water
(D)
carbon/zinc
salt water
Which method of heat transfer occurs in a wave-like form?
(A)
(B)
(C)
(D)
37.
conduction
convection
insulation
radiation
Which colour jacket keeps you warmest on a cold, sunny day?
(A)
(B)
(C)
(D)
black
grey
white
yellow
11
38.
Which part of the room would most likely be the warmest?
(A)
(B)
(C)
(D)
39.
A
B
C
D
Which best describes the energy transfer between the cold pack and the arm?
(A)
(B)
(C)
(D)
cold moves from the pack to the arm
cold moves from the arm to the pack
heat moves from the pack to the arm
heat moves from the arm to the pack
12
40.
Which combination of heat transfer methods are required to heat a pot of soup on
a stove top?
(A)
(B)
(C)
(D)
41.
convection and radiation
conduction and convection
radiation and reflection
convection and reflection
A drop of wax was added to 4 metal rods, which were then placed in a fire as
shown below:
The results were as follows:
Rod
Time to melt wax
(seconds)
A
10
B
20
C
30
D
40
Which statement is true?
(A) A is a better conductor than B
(B) B is a better insulator than D
(C) C is a better conductor than B
(D) D is a better conductor than A
13
Which represents the energy of particles as heat is added to an object?
energy of particle
(A)
time
energy of particle
(B)
time
energy of particle
(C)
time
(D)
energy of particle
42.
time
14
Four cups of boiling water were placed in 4 thermos containers made from
different insulating materials. The temperature was measured over time. Which
material is the best insulator?
temperature
43.
material A
material B
material C
material D
time
(A)
(B)
(C)
(D)
44.
Who proposed the theory of natural selection?
(A)
(B)
(C)
(D)
45.
A
B
C
D
Charles Darwin
Carl von Linné
Hans Christian Oersted
Michael Faraday
Which represents the five kingdoms of classification used by most scientists?
(A)
(B)
(C)
(D)
Mollusca, Cnidaria, Fungi, Animalia, Plantae
Mollusca, Protista, Echinodermata, Animalia, Plantae
Prokaryota/Monera, Chordata, Animalia, Plantae, Protista
Prokaryota/Monera, Protista, Fungi, Animalia, Plantae
15
46.
What is the most important function of the structural adaptation illustrated below?
(A)
(B)
(C)
(D)
47.
The lifecycle of a grasshopper is an example of which type of change?
(A)
(B)
(C)
(D)
48.
obtaining food
protection
providing movement
reproduction
complete metamorphosis
incomplete metamorphosis
polymorphism
sexual dimorphism
Which term describes the process of change in a species over time?
(A)
(B)
(C)
(D)
adaptation
diversity
evolution
reproduction
16
49.
What stage is represented by the letter A?
A
(A)
(B)
(C)
(D)
50.
adult
egg
larva
pupa
Which describes the variety that exist among organisms?
(A)
(B)
(C)
(D)
adaptation
diversity
evolution
metamorphosis
17
51.
Which describes the theory of natural selection?
(A)
All individuals share
the same traits.
Individuals pass on forms of
traits to their offspring.
All individuals
reproduce.
(B)
All individuals share
the same traits.
Traits between individuals and
their offspring differ completely.
Not all individuals
reproduce.
(C)
Traits among
organisms may vary.
Individuals pass on forms of
traits to their offspring.
Not all individuals
reproduce.
(D)
Traits among
organisms may vary.
Traits between individuals and
their offspring differ completely.
All individuals
reproduce.
52.
Which feature of the finches on the Galapagos Islands helps support the theory of
natural selection?
(A)
(B)
(C)
(D)
53.
A dog`s classification is Canis familiaris. What is the classification of a wolf?
(A)
(B)
(C)
(D)
54.
beak shape
body size
leg length
wing span
Canis lupus
Familiaris lupus
Lupus canis
Musca familiaris
Which organism has evolved through artificial selection?
(A)
(B)
(C)
(D)
San Jose Scale
race horse
Galapagos finch
peppered moth
18
55.
All of these organisms have developed a similar adaptation for which function?
(A)
(B)
(C)
(D)
56.
We changed our classification from 2 kingdoms to 5 kingdoms because of which
instrument?
(A)
(B)
(C)
(D)
57.
camouflage
locomotion
mimicry
protection
barometer
microscope
telescope
thermometer
The Industrial Revolution turned many trees black. Following the Industrial
Revolution, the trees made black are slowly turning light in colour. What will
happen to the black and white moth populations?
(A)
(B)
(C)
(D)
black moths will turn white
both the black and white moth populations will die off
there will be no impact on either the white or black moth populations
white moths will increase in numbers
19
58.
Which graph represents the change in population of the San Jose Scale insects in
response to a pesticide?
number of insects
(A)
time
number of insects
(B)
time
number of insects
(C)
time
number of insects
(D)
time
20
59.
Which organism is multicellular, has cells with a cell wall, and does not undergo
photosynthesis
(A)
(B)
(C)
(D)
cat
moss
mushroom
bacteria
60.
Using the dichotomous key provided, what is the correct identification of the
organism?
1.
A) has a long tail.......go to 2
B) has a short tail......Lynx canadensis
2.
A) round ears present.........Panthera leo
B) pointed ears present......go to 3
3.
A) fur is one colour........Puma concolor
B) fur is more than one colour.......go to 4
4.
A) has stripes on fur............Felis sylvestris
B) has spots on fur...............Felis nigripes
(A)
(B)
(C)
(D)
Felis sylvestris
Panthera leo
Felis nigripes
Puma concolor
21