Grade 9 Achievement Test - Science, Exams of Construction

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Grade 9 Achievement Test

Science

Grade 9 Achievement Test

Science

Description

This test consists of 55 machine-scored questions: 50 multiple-choice questions, each worth one mark, and 5 numerical- response questions, each worth one mark.

This test was developed to be completed in 75 minutes; however, you may take an additional 30 minutes to complete the test.

You may write in this booklet if you find it helpful. Make sure answers are placed on the answer sheet.

Instructions

• Calculators are recommended but not required.
• Use only an HB pencil to mark your answer.
• Read each question carefully.
• If you change an answer, erase your first mark completely.
• Try to answer every question.
• Now turn this page and read detailed instructions for answering multiple-choice and numerical-response questions.

iii

Record your answer to the nearest hundredth or two decimal places in the numerical-response section on the answer sheet.

Record all four digits of your answer in the numerical-response section on the answer sheet.

Record all four digits of your answer in the numerical-response section on the answer sheet.

A block of wood is floating in a pan of distilled

water. If 41 of the block remains out of the water,

the block has a specific gravity of.

Answer: 0.

0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8 9 9 9 9

0. 7 5

Record 0.75 on the answer sheet

Correct-Order Question and Solution

The following is a list of electrical appliances.

1 refrigerator 2 oven 3 blender 4 toaster

When the appliances listed above are placed in alphabetical order, the order is

, , , and.

Answer: 3214

0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8 9 9 9 9

3 2 1 4

Record 3214 on the answer sheet

Selection Question and Solution

The following illustrations are of animals that live in Alberta.

1 2

3 4

Identify each illustration, as numbered above, with its name, as given below.

moose goat deer sheep

Answer: 2431

0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8 9 9 9 9

2 4 3 1

Record 2431 on the answer sheet

SCIENCE AND MAKING A MOVIE

An executive producer is hired to make an action-adventure movie in Alberta.

The executive producer’s responsibilities include supervision of:

• set location
• base camp and movie set construction
• pyrotechnics
• production and equipment

Executive Producer

1. The executive producer must hire an environmental consultant. The perspective that an environmental consultant has is

A. ecological B. recreational C. economic D. scientific

Use the following information to answer question 4.

In a particular scene, four lights and a fan connected on the same circuit must each be able to operate independently.

An electrician used the symbols shown below to draw a diagram of the circuit.

Circuit Symbols

Fan

Generator

Light bulb

Switch

F

G

4. Which of the following circuit diagrams did the electrician draw?

A. G F

B. G

F

C. G

F

D. G

F

Use the following information to answer question 5.

On another set, the director must be able to turn a special effects light off and on from two different locations. The electrician drew a circuit diagram using the symbols shown below.

Generator

Light bulb

Switch

G

5. Which of the following circuit diagrams did the electrician draw?

A. G B. G

C. G D. G

Numerical Response

1. In one scene, an actor steps on a switch plate and a small explosion occurs. The pressure that is needed to trigger the switch is 7 350 N/m 2 or 7 350 Pa. The area of the switch plate is 0.20 m 2. The minimum force needed to trigger the switch is N.

Record all four digits of your answer in the numerical-response section on the answer sheet.

Use the following information to answer questions 7 and 8.

The sketch below shows the design of a hydraulic lift.

Small moveable piston

Hydraulic lift operator

Camera operator

Fluid

Large moveable piston

The large piston has a surface area 25 times greater than the surface area of the small piston.

7. A hydraulic lift operates on the principle that

A. fluids are highly compressible B. as altitude or height increases, pressure decreases C. in a closed system a small force multiplies itself over a large area D. pressure on the fluid must be greater on the small piston than on the large piston

8. If the maximum force applied by the hydraulic lift operator is 200 N, then the maximum load that can be lifted by the large piston is

A. 2 000 N B. 2 500 N C. 5 000 N D. 10 000 N

9. In the movie, scuba divers must swim to the base of a dam to retrieve stolen gems. Which of the following graphs represents the relationship between the depth of the water and the water pressure behind the dam?

Pressure

Depth

A.

Pressure

Depth

B.

Pressure

Depth

C.

Pressure

Depth

D.

12. In the film developing lab, acid was accidentally spilled. A base was used to neutralize the acid. Which of the following graphs illustrates what happens to the concentration of an acid as the base is mixed with it?

A. B.

C. D.

Concentration

of acid

Time

Concentration

of acid

Concentration

of acid Concentration

of acid

Time

Time Time

Use the following information to answer question 13.

After filming for the day, the crew decides to relax in a pool at Banff.

13. Which of the following pools would provide them with the most buoyancy?

A. A sulphur spring pool at 40°C B. A freshwater pool at 40°C C. A sulphur spring pool at 36°C D. A freshwater pool at 36°C

Use the following information to answer question 14.

A technician uses the following chart of compounds and explains that the chemical makeup of some fertilizers includes nitrogen (N), phosphorus (P), and potassium (K).

Name of compound

Chemical formula

Solubility in water I Ammonium nitrate NH 4 NO 3 high II Potassium nitrate KNO 3 high III Calcium phosphate Ca 3 (PO 4 ) 2 low IV Ammonium phosphate (NH 4 ) 3 PO 4 high

14. The two compounds that could be mixed together and dissolved in water to create a fertilizer are compounds

A. I and IV B. II and III C. I and II D. II and IV

Use the following information to answer question 15.

The fertilizer plant is located in an area where the weather is dominated by northwesterly winds (winds from the northwest).

15. The fertilizer plant would most likely have the least environmental impact on a town if the plant were located

A. west of the town B. east of the town C. northwest of the town D. southeast of the town

16. Students from the town’s high school are concerned that emissions from the fertilizer plant contribute to the greenhouse effect. These emissions contain

A. ozone, which traps infrared energy B. ozone, which absorbs infrared energy C. carbon dioxide, which absorbs infrared energy D. carbon dioxide, which traps infrared energy

17. Environmentalists predict that after the plant has been in operation for ten years, the emissions will most likely

A. raise the pH of the irrigation system’s water because of the acidity B. increase the effects of acid rain on the organisms in the area C. reduce the community’s concern about environmental quality D. help the corporation improve its public relations image

18. From the perspective of long-term environmental quality, the farmers of the area would be most concerned with the

A. use of the local transportation system by the corporation B. accidental deaths at the fertilizer plant or gas wells C. availability of cheaper fertilizer from the plant D. release of sulphur oxides from the plant

19. Not far from the town, a pulp and paper mill is being built. The owners of the mill believe that with clear-cut harvesting and a reforestation program, the mill can have a harvestable forest forever. The mill owners have a perspective that is primarily concerned with

A. the environment B. education C. ethics D. economics

Use the following information to answer questions 21 and 22.

While a camp waste pit is being excavated, you notice a white, crystalline substance. You decide to find out what the substance is before removing it. When mixed with water, some of the substance disappears. You pour some of the solution on a plate, and when the liquid evaporates, the crystals reappear.

21. The evidence that the crystalline substance underwent a physical change is that

A. some of the water turned white B. not all of the substance disappeared C. the change produced heat D. the change could be reversed

Use the following additional information to answer question 22.

Using a resource book, you find the following information on pure substances.

Properties of Some Pure Substances

Substance

Melting Point (°C)

Density (g/cm^3 )

Solubility in Water Appearance Copper II Sulphate

— 2.3 dissolves blue solid crystals Calcium Carbonate

— 2.9 does not dissolve

grey-white solid Sodium Chloride 801 2.2 dissolves white solid crystals Calcium Hydroxide

— 2.2 does not dissolve

white solid

22. The substance that you found is most likely

A. copper II sulphate B. calcium carbonate C. sodium chloride D. calcium hydroxide

Use the following information to answer questions 23 and 24.

To hang some pictures in your bunkhouse, you place a charged battery into your electric drill and then drill a hole in the wall.

23. To which part of the drill do you attach the bit?

A. Coil B. Armature C. Permanent magnet D. Split-ring commutator

24. Using this drill to make a hole in the wall is an example of converting

A. chemical energy to potential energy and then to mechanical energy B. chemical energy to electrical energy and then to mechanical energy C. electrical energy to thermal energy and then to electrical energy D. electrical energy to kinetic energy and then to electrical energy

25. While you are cooking with the hot plate and toasting a slice of bread, the electric heaters start. Almost immediately, the hot plate, toaster, and electric heaters quit working. This most likely happened because

A. a fuse in the toaster burned out B. a circuit breaker in the electrical panel tripped C. the element in the hot plate burned out D. the circuit breakers in the electric heaters tripped