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Exam Review: Science 10 AB
Biology Review Questions
1. a) Give one example of a producer and one example of a consumer.
b) What is the difference between them?
2. a) What is an ecosystem?
b) What is the difference between an aquatic ecosystem and a terrestrial
ecosystem?
c) Give an example of each type of ecosystem.
3. State whether each of the following statements are true or false.
a) Productivity is the energy of producers that is available to consumers.
b) The total dry mass of plant or animal matter is its biomass.
c) A rabbit and a cow are in different trophic levels.
d) The carrying capacity is the lowest population of a species that can live in a
particular environment.
e) A flood that drowns most of the animals of species X in an area is an
example of density-dependent population regulation.
4. a) By what means does energy move from the sun to grass?
b) How does it move from grass to fox?
c) What percentage is typically given off from one trophic level to the next?
5. In a study area, there are 558 of species A, and 7 of species B.
a) Which species is most likely to be an herbivore, and which is most likely to be a
carnivore?
b) How do you know?
6. Only about 10% of the energy in the food that is eaten by a consumer is available
to the next consumer in a food chain. What happens to the remaining energy in the
food chain?
7. If you eat a meal with a mass of 300g, you do not increase your mass by the same
amount. Explain why.
8. a) What is intraspecific competition? Give an example.
b) What is interspecific competition? Give an example.
9. a) Is it a more efficient use of the sun’s energy for people to eat vegeatables,
beef or salmon? b) Explain your answer and draw a food chain for each choice.
10. Suppose that there is a transfer of 10 percent of biomass at each link in the
following food chain:
phytoplankton --> zooplankton --> small fish --> medium fish --> tuna --> human
What biomass of the phytoplankton is required to supply a human family with 1kg of
tuna for dinner? (i.e. put 1 kg for human and work backword)
11.
a)
c)
e)
Decide if each example is a density-dependept or density-independent factor:
Forest Fire
b) Food shortage
Volcanic eruption
d) Aggression and competition
Disease
12. The diagram below shows a food web in the Antarctic Ocean.
a) Why might a decline in the population of baleen whales lead to an increase
in the populations of seals, penguins, and krill-eating fish?
b) What might happen to the other species if the populations of baleen whales
increased but the population of krill stayed the same? Explain your answer.
c) Draw one food chain from this food web.
d) If the plankton were gone from this web, what would happen? Is this
worse than the baleen whales being gone? Explain.
e) If the baleen whales were gone would the biodiversity be greater or less?
Why?
13. The productivity of different ecosystems varies.
a) What is the best type of ecosystem for productivity? What makes it
so good?
b) What is the worst type?
14. Explain what is meant by biomagnification. What happens in the following
food chain if DDT was eaten by the minnow?
Algae  minnow  tuna  human
15. What are the three types of ecological pyramids? What units are used in
each?
16. What trophic level is at the bottom of each pyramid?
17. Circle the carrying capacity in each graph.
a)
c)
b)
d)
18. Our human population has tripled. According to what we know of other
species, this means we are overpopulated. What could happen to the human
race? Give specific reasons for this.
19. Why has the human population tripled?
20. Give a reason why monocultures are good. Give a reason why monocultures are
not good.
21. Draw a food chain with 4 links.
a. Label it in terms of trophic levels.
b. Label it in terms of producers, primary consumers, etc.
c. Label it in terms of plants, herbivores, carnivores, top carnivores.
d. Why do the arrows go a certain way?
22. Where does all of our energy come from?
23. Determine if each factor is biotic or abiotic.
a.
b.
c.
d.
e.
Food shortage
Aggression
Hurricane
Water
Soil
f) Sunlight
g) Wind
h) Increased producers
i) Increased predators
j) Decrease in prey
24. What gases are involved in the Greenhouse Effect?
25. Why does this effect cause the Earth to heat up?
26. What are some effects of the Earth heating up?
27. Complete the table below by choosing true or false:
Type of
Organism
Producer
Primary
Consumer
Secondary
Consumer
Tertiary
Consumer
Decomposer
Cellular
Respiration
Photosynthesis Takes in
CO2
Takes in
O2
Gives
off CO2
Gives off
O2
28. On a separate piece of paper, sketch a diagram of the carbon cycle and label
the following (Some labels may be used more then once):
 Producers
Consumers
Decomposers
 Dead organisms/waste
Photosynthesis
Cellular respiration
 Oxygen
Carbon dioxide
Chemistry
1.
2.
3.
4.
5.
6.
7.
8.
9.
What are the 3 subatomic particles?
What subatomic particle has a positive charge?
What subatomic particle has a negative charge?
What subatomic particle has no charge?
What subatomic particle(s) is found inside the nucleus?
What subatomic particle(s) is found outside the nucleus?
What subatomic particle(s) has no mass?
What subatomic particle(s) has mass?
What is a valence shell?
10. What is a valence electron?
11. The periods on the table indicate the number of _________________.
12. The groups on the table indicate the number of _______________.
13. The transition metals are found where on the periodic table?
14. The noble gases are what group?
15. The alkaline earth metals are what group?
16. What is the family name for group 1?
17. What is the family name for group 17?
18. La is part of what period?
19. Ac is part of what period?
20. An ionic bond is formed between a ____________________ and a
________________.
21. Some groups do not have family names. Name an element in a group without a
family name.
22. Where are the metalloids found on the periodic table? Give an example.
23. Where are the metals found on the periodic table? Give an example.
24. Where are the non-metals found on the periodic table? Give an example.
25. The atomic weight of manganese is ________________.
26. The atomic weight of helium is ___________________.
27. For each atom, complete the table using your periodic table.
Element
Name
Element
Symbol
Atomic
Number
Atomic
Mass
Number
of Protons
Number
of
Electrons
Number
of
Neutrons
Carbon
3
1
Pb
20
28. Isotopes
For each isotope, complete the table using your periodic table.
Isotope
atomic
mass
# of
# of
symbol
#
#
protons
neutrons
17
17
35
Cl
30
Cl
1
1 H
2
1 H
# of
electrons
Ions or Atoms
29. For each ion or atom, complete the table using your periodic table. Decide if
each is a cation, anion or atom. Remember, for a nuclear symbol you must include all
relevant numbers.
Nuclear Symbol
40
18
Charge
p+
2+
4
n0
Cation, Anion, or
Atom
9
Ar
5
0
80
35
e-
2
6
Si
Br 1
30. True or False. If it is false, explain why.
For each statement write true or false.
a) Protons always equal electrons.
b) Protons always equal neutrons.
c) The atomic mass is found in the nucleus.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
How many valence electrons does Cl have?
Draw a Bohr diagram for Cl.
Draw an electron dot diagram for Cl.
How many valence electrons does Li have?
Draw a Bohr diagram for Li.
Draw an electron dot diagram for Li.
How many valence electrons does C have?
Draw a Bohr diagram for C.
Draw an electron dot diagram for C.
How many valence electrons does P have?
Draw a Bohr diagram for P.
Draw an electron dot diagram for P.
How many valence electrons does Mg have?
Draw a Bohr diagram for Mg.
Draw an electron dot diagram for Mg.
__________________
__________________
__________________
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
What ion will K form?
What ion will Mg form?
What ion will Br form?
What ion will Al form?
What ion will S form?
Will He form an ion? Why or why not?
Will Xe form an ion? Why or why not?
Will Ca form a cation or anion?
Will Se form a cation or anion?
Will I form a cation or anion?
Will Cs form a cation or anion?
Name an element that could become a cation or an anion.
58. Fill in the table below with the formula or name of the ionic or covalent
compound. YOU MUST SHOW THE ION CHARGES IF GIVEN THE NAME!
Name
Type of Bond (ionic or
covalent)
Formula
Magnesium chloride
CaBr2
Potassium fluoride
Magnesium phosphide
Rb3N
BeF2
BaO
Gallium Oxide
Lead (IV) sulphide
Iron (III) bromide
Tin (II) oxide
Copper (IV) selenide
Dicarbon dihydride
Carbon dioxide
Bromine pentasulfide
Silicon tetrachloride
OF2
P2O5
CF4
CH4
SO3
59. a) Show me how aluminum and bromine would make a compound (draw the
electron dot diagrams for the elements and use arrows to show the transfer).
b) How many aluminum atoms are needed? _________________
c) How many bromine atoms are needed? ____________________
d) What would the compound’s name be?
_______________________________
e) What would the compound’s formula be? _________________________
60. Why is argon not likely to form a compound with another element?
61. Covalent bonds occur between a ________________ and a
______________.
62. Which of the following would make ionic bonds?
a) Na and Cl
b) H and Cl
c) Na and F
d) Al and H
e) N and F
f) H and O
g) C and S
h) Be and S
HOW DO YOU KNOW?
63. Which of the following would make covalent bonds?
a) Li and C
b) C and H
c) N and I
d) K and O
e) Mg and O
f) O and C
g) N and F
h) Al and P
HOW DO YOU KNOW?
64.
65.
66.
67.
68.
69.
70.
71.
Metals become (cation or anion).
________________
Non-metals become (cation or anion). ________________
Most elements on the periodic table are (solids, liquids, or gases) ________
Most metals are (solids, liquids, or gases) _________
Most non-metals are (solids, liquids, or gases) _________
Metalloids are found where on the table? _________________
What is a metalloid?
Give an example of a metalloid.
Physics
1. Using the conversion table in your journal, convert the following units to m. (4 pts)
a) 89 cm = ____________ mm
c) 7.8cm = _____________ m
b) 7 km = ___________________ m
d) 0.5 dam = __________________ m
2. Using the conversion for temperature, convert degrees Celcius into Kelvin. (2 pts)
a) 50˚C = ______________K
b) -15˚C = ______________ K
3. What is the precise measurement of each thermometer? (2 pts)
a)
___________
_____________
b)
4. Identify each as either a scalar or vector (6 pts):
Measurement
40 seconds
5 m [W]
-5 km
+ 256 km/hr
30 m/s
8.0 m/s
Vector (v) or Scalar (s)?
5. A car moved 20 km due East and then reversed and went 60 km due West.
(4 pts)
a. Draw a diagram to show the car’s movement. Label the start, the finish and the
middle.
b. What is the distance traveled by the car?
______________
c. What is the final displacement of the car from the point of origin? ___________
6. Given 2 points find the slope using the slope formula. Show all work.
in your final answer. (8 pts)
Slope 
You must include units
y f  yi
x f  xi
a. Start (12 min, 15 cm) and End (17 min, 15 cm)
b. Start (0 hr, 5 km) and End (1 hr, 115 km)
7. Carli asks to go to the fountain. She goes directly to the fountain at the end of the
hallway as shown below which is 15m away. (4 pts)
a) What is Carli’s distance to go to the washroom and come back to class?
b) What is Carli’s displacement to go to the washroom and come back to class?
8. How many significant digits are in each question?
a) 6.79 cm ____________
b) 31.09 cm __________
c) 7.00 m
d) 12000 km __________
____________
9. Round each to the appropriate significant digits.
Question
1.9865
3.091
88.9000
3.2955
4 sig figs
3 sig figs
10. Describe each target as accurate, precise, neither or both.
11.
Formula: Speed 
Units: m/s
dis tan ce
time
v
d
t
km/hr
Use this formula to find the answers to the following questions:
2 sig figs
What is the speed if the distance is 200 km and the time taken is 3 hours?
b) What is the speed if the time is 32 minutes and the distance is 30 m?
c) What is the speed if the distance is 0 km and the time taken is 12 s?
a)
12. Formula: t 
Units: s
min
d
v
time 
dis tan ce
speed
hours
a) The distance is 52 meters. I am going 10 m/sec. How long does it take?
b) The distance is 5.3 meters. I am going 5.1 m/sec. How long does it take?
c) The distance is 110 km. I am going 45 km/hr. How long does it take?
13. What is happening in the graph?
Where am I at 10 seconds?
Where am I at 40 seconds?
When am I at the starting line?
When am I at 20m for the second time?
When am I at -20m for the first time?
What is the farthest forward I travel?
What is the farthest backward I travel?
What is my overall displacement?
When am I stopped?
When am I going forward?
When am I going backward?
What
When
When
When
is my overall displacement?
am I stopped?
am I going forward?
am I going backward?
When do I return to the starting point?
When am I 30m from the starting point?
How long do I travel forward for?
19. Draw a distance time graph to describe the following:
a. Damian sits at his table at home for 5 seconds. The bell rings. Then he walks to
school for 7 seconds and ends up 35 from home. (4 pts)
b) Alex leaves the science
classroom which is 50 m from her
house. She walks 20m towards her
house and this takes her 3s. She
realizes she forgot her cell phone
and walks back to school. This
takes 2s as she is running. She gets
to school (50 m) and turns around.
She walks all the way home (0m)
which takes 7 s. (6 pts)