Grade 9 Applied Science – 2012 Practice Exam
Biology
1. What is the source of almost all of Earth’s energy?
a. Ocean currents
b. Wind
c. Sun
d. Fossil fuels
e. Greenhouse Effect
2. What is “…an organism that obtains its energy from eating plants” called?
a. Carnivore
b. Herbivore
c. Omnivore
d. Predator
e. None of the above
3. A crow follows army ants eating the scraps left over from the army ant attack. What type of species interaction is described?
a. Competition
b. Commensalism
c. Mutualism
d. Predator
e. Parasitism
4. “The greatest number of species that can live, thrive and reproduce in a given area” is….
a. Tolerance Range
b. Limiting Factor
c. Species Interaction
d. Carrying Capacity
e. Biome
5. The optimal temperature range for the survival of the Emperor Penguin is between -30OC and 5OC. At temperatures less than or greater the stated temperatures, penguins will die. What does this describe?
a. Carrying Capacity
b. Habitat
c. Tolerance Range
d. Limiting Factors
e. Antarctica Profile
6. What of the following is NOT an abiotic factor?
a. Wind
b. Temperature
c. Animal
d. Rainfall
7. Which of the following is NOT a Greenhouse Gas?
a. Carbon dioxide
b. Methane
c. Hydrogen
d. Nitrous oxide
e. Water Vapour
8. A fox and your dog chase after the same squirrel. What type of species interaction is described?
a. Competition
b. Commensalism
c. Mutualism
d. Predation
e. Parasitism
9. You are exploring mercury (Hg) levels in a food chain. You measure 1 ppt Hg in minnows, 6 ppt Hg in trout that eat the minnows and 20 ppt Hg in hawks that eat the trout. What are you measuring?
a. Bioaccumulation
b. Carrying Capacity
c. Biomagnification
d. Pollution Impacts
e. Rule of Ten
10. Gas in the atmosphere traps infrared radiation bouncing off Earth’s surface and re-emits the energy back to Earth as heat. This process keeps Earth warm. What is this process called?
a. Anthropogenic Greenhouse Effect
b. Climate Change
c. Global Warming
d. Greenhouse Effect
e. Radiation Impact
11. You are traveling through a desert on a bus tour. The guide tells you that the desert holds over 5,000 sand geekos (…a small lizard…). You do not see any geekos. You suggest bringing in more geekos from another desert, but the guide suggests the desert is full. What does this describe?
a. Abiotic Factors
b. Carrying Capacity
c. Tolerance Range
d. Limits to Growth
e. Commensalism
12. In a food chain, there are fewer wolves than elk. As well, there are fewer elk than blades of grass. Why does this situation exist in a food chain?
a. Rule of Ten
b. Carrying Capacity
c. Tolerance Range
d. Habitat
e. Biotic Factors
13. As carbon levels in the atmosphere increase, air temperature on Earth also increase. What is this process called?
a. Anthropogenic Greenhouse Effect
b. Climate Change
c. Global Warming
d. Greenhouse Effect
e. Radiation Impact
14. Which of the following is NOT a biogeochemical cycle?
a. Hydrogen Cycle
b. Nitrogen Cycle
c. Water Cycle
d. Carbon Cycle
e. None of the above
15. Two individuals benefit from each other. What species interaction is described?
a. Competition
b. Commensalism
c. Mutualism
d. Predation
e. Parasitism
Chemistry
16. A chemical can burn. This is…
a. Chemical Property
b. Physical Property
c. Chemical Change
d. Physical Change
e. None of the above
17. What is the Atomic Number of sodium (Na)?
a. 8
b. 11
c. 23
d. 34
18. How many electrons are in the valence shell (i.e., outer shell of electrons) of the sulfur ion?
a. 8
b. 16
c. 18
d. 32
19. What is the charge of the proton?
a. Positive
b. Neutron
c. Negative
d. None of the above
20. The element Potassium (K) has 19 protons, 19 electrons and 20 neutrons. What is the Atomic Mass of potassium?
a. 1
b. 19
c. 38
d. 39
21. You mix two chemicals together. One chemical is clear and the other is white. When mixed, the new compound turns a red colour. What does this change confirm?
a. Red is a colour
b. A chemical reaction has occurred
c. You are not colour blind
d. The chemicals are iron and oxygen
22. Which of the following is NOT an example of a physical property?
a. Colour
b. Malleability
c. Combustibility
d. Ductility
e. Boiling Point
23. How many neutrons does Iron (Fe) have?
a. 25
b. 30
c. 56
d. 2+
e. 3+
24. How many electrons occur in the outer shell of Fluorine (F) and Chlorine (Cl)?
a. 1
b. 2
c. 8
d. 10
25. What is the mass of one electron?
0
1
2
100
26. The element Chlorine gains one electron. Chlorine is now…
A negative ion
A new element
A positive ion
A complete element
None of the above
27. How many electrons are in the outer shell of the element Aluminum (Al)?
a. 13
b. 26
c. 27
d. 3
28. How many electron shells does the element Cesium (Cs) have?
a. 1
b. 8
c. 55
d. 6
29. Which of the following is NOT example of a chemical reaction?
a. A new colour is produced
b. A gas is produced
c. An odour occurs
d. A solid forms inside a liquid when two liquids are mixed
e. A bang is produced
30. What characteristic do the elements in the first family (…column…) of the Periodic Table share?
a. One electron in their outer shell
b. All metals
c. All highly reactive
d. All of the above
Space
31. You are traveling in space and experience a feeling of weightlessness. Weightlessness has many effects on the human body. Which of the following is NOT an effect?
a. Puffy face
b. Sea-sick sensation
c. Muscle Loss
d. None of the above. They are all effects.
32. In which part of the Hertzsprung-Russell Diagram is our Sun located?
a. Top Left
b. Main Sequence
c. Among the Red Giants
d. As a Brown Dwarf
e. Our Sun is not part of the Hertzsprung-Russell Diagram
33. What is NOT a proof of the Big Bang Theory for the start of the Universe?
a. Hydrogen and Helium occur everywhere in the Universe
b. Light from the original event is still reflecting off the Universe edges
c. Remnant heat from the original event can still be detected
d. Other solar systems continue to expand outward at a constant rate
34. What is “…huge rotating collections of gas, dust, stars, planets and other celestial objects” called?
a. Universe
b. Solar System
c. Red Shift
d. Galaxy
35. Which of the following is NOT an outer planet?
a. Mars
b. Jupiter
c. Uranus
d. Saturn
36. What are two units of measurement in a Hertzsprung-Russell Diagram?
a. Colour and Size
b. Luminosity and Shape
c. Temperature and Luminosity
d. Size and Shape
e. Temperature and Colour
37. The Sun crossing between the Earth and the Moon so that the Moon no longer can be seen. What type of eclipse are you watching?
a. Lunar Eclipse
b. Solar Eclipse
c. Moon Eclipse
d. None of the above.
38. A dark region on the Sun’s surface that is cooler than the area surrounding it…
a. Sun Spot
b. Solar Flare
c. Solar Prominence
d. Corona
39. What is “…the Sun and all the celestial objects that travel around it” called?
a. Solar System
b. Universe
c. Dark Energy
d. Red Shift
40. Radio communication on Earth is suddenly disrupted. What event in space could cause this disruption?
Supernova
Black Hole
Solar Flare
Meteorite
41. An object from space enters Earth’s atmosphere. What is the object called?
a. Asteroid
b. Meteor
c. Comet
d. Falling Angel
e. Meteorite
42. You are looking at a star that is very, very hot but dull. What type of star is it?
a. Red Giant
b. Red Supergiant
c. White Dwarf
d. Main Sequence Star
e. Blue Supergiant
43. A massive collection of gases in space that emits large amounts of energy is…
a. Solar System
b. Galaxy
c. Red Shift
d. Sun
44. You look in the sky. You see an object that is brighter than most stars, moving relatively faster than the stars and does not twinkle. What are you looking at?
Red Shift
A planet
Black Hole
Worm Hole
Asteroid
45. Space explorer Edwin Hubble noticed that the visible spectrum of light shifted toward one colour as distant galaxies moved away from Earth. What is this event called?
a. Red Shift
b. Big Bang
c. String Theory
d. Solar Prominence
e. Dark Matter
Physics (Electricity)
46. What is “…an imbalance of electric charges on the surface of an object” called?
a. Conduction
b. Static Electricity
c. Current
d. Power
e. Electrical Charges
47. A material that prevents the flow of electrons through it is…
a. Insulator
b. Wire
c. Force
d. Conductor
48. Another name for Potential Difference is…
a. Power
b. Force
c. Voltage
d. Resistance
e. Current
49. The unit of measurement of resistance is…
Volts
Amps
Watts
Ohms
50. In a circuit, three lights are attached. One light goes out. The other lights remain lit. What type of circuit are you using?
a. Simple
b. Series
c. Parallel
d. Open
51. You have 10A current and a 2W resistor. How much voltage is needed to make the current flow past the resistor?
a. 20V
b. 5V
c. 12V
d. 0.5V
e. None of the above
52. Two neutral objects are rubbed together to create a charge. This is…
Charging by induction
Charging by friction
Charging by humidity
Neutral charging
53. Which is the correct formula for Ohm’s Law?
a. V = I x R
b. I = V / R
c. R = I / V
d. All of the above
e. A and B only
54. The rate at which electrons flow is….
a. Voltage
b. Resistance
c. Conduction
d. Current
e. Power
55. A neutral object is charged by contact with a charged object. This is…
a. Charging by Friction
b. Charging by Induction
c. Charging by Conduction
d. Charging by Separation
56. A circuit with lights connected on different paths is…
Open circuit
Series Circuit
Parallel Circuit
Different wires
57. In a circuit, the current is 10A and the voltage is 5V. What is the resistance?
15W
0.2W
50W
2W
58. A material that moves electrons easily is…
a. Insulator
b. Conductor
c. Wire
d. Hot
59. A negatively-charged balloon is brought close to a neutral tin can. The can rolls. Which way does it roll?
a. Toward the balloon
b. Away from the balloon
c. Vertical
d. The can will not move
60. Two lights are wired in a series circuit. You add another light to the circuit. What happens to the two lights?
a. The lights go out
b. The lights burn more brightly
c. Nothing happens
d. The lights burn less brightly
e. None of the above
ANSWERS
1 / C / 16 / A / 31 / D / 46 / B
2 / B / 17 / B / 32 / B / 47 / A
3 / B / 18 / A / 33 / B / 48 / C
4 / D / 19 / A / 34 / D / 48 / D
5 / C / 20 / D / 35 / A / 50 / C
6 / C / 21 / B / 36 / C / 51 / A
7 / C / 22 / C / 37 / D / 52 / B
8 / A / 23 / B / 38 / A / 53 / E
9 / C / 24 / C / 39 / A / 54 / D
10 / D / 25 / A / 40 / C / 55 / C
11 / B / 26 / A / 41 / B / 56 / C
12 / A / 27 / D / 42 / C / 57 / B
13 / B / 28 / D / 43 / D / 58 / B
14 / A / 29 / E / 44 / B / 58 / A
15 / C / 30 / D / 45 / A / 60 / D