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Laabri

Course Final - Science 14

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Last updated almost 4 years ago
22 Nsɛmmisa
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1.

List the meaning of each of the WHMIS symbols shown

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2.

How do HHPS symbols differ from WHMIS?

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3.

Match the state change described with its proper terminology.

Draggable itemarrow_right_altCorresponding Item

Solid to liquid

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Evaporation

Liquid to gas

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Deposition

Solid to gas

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Freezing

Liquid to solid

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Melting

Gas to liquid

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Sublimation

Gas to solid

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Condensation

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4.

How could you determine if a substance is pure or a mixture?

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5.

Label what each component in the diagram below tells us about water molecules.

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6.

How does a solution differ from a mechanical mixture?

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7.

How can we increase the concentration of a solution. You can use a diagram to help support your answer.

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8.

Match the pH provided with the type of solution it represents.

Draggable itemarrow_right_altCorresponding Item

pH = 14

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Neutral

pH = 7

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Acid

pH = 2

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Base

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9.

Describe one factor that can speed up the process of corrosion.

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10.

What is friction? Why does it create problems for machinery?

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11.

Heat always flows from subtances to substances.

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12.

Match the types of heat transfer with the example that represents it.

Draggable itemarrow_right_altCorresponding Item

Radiation

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A person burns their hand on a running engine.

Conduction

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As water is heated, the hot water rises and pushes the cold water down

Convection

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The suns rays warm up sand on a beach.

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13.

Describe how you would keep a thermos of hot chocolate warm.

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14.

Label the plant cell diagram.

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15.

Why do our cells need oxygen?

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16.

How does the energy in food get sent to your cells? Use as much detail as possible.

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17.

Why is it important to have a proper diet that includes carbohydrates, lipids and proteins?

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18.

All energy comes from:

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19.

Explain the process by which energy is passed down the food chain shown:

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20.

Why is there more energy available to organisms at the bottom of a food chain compared to organisms at the top?

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21.

Determine if the factors listed are biotic or abiotic factors in an ecosystem.

Biotic

Abiotic

Sunlight

pH of soil

decomposers

humidity

predators

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22.

Describe the water cycle using the diagram provided.